$tef, 01miatals, 02semiata, 04SILVERSI, 05pearl, Invisible, 1cockyz, 1redcanuck, 1vicissitude, 240_to_miata, 2cheap, 2k6750, 2lowmr2, 32Guy, 4 Rings, 913kent, 91rps13, 92Miata, 92sunburst, 94blackmx5, 94mx5red, 95 avus blue, 9669, 99 turbo toy, 99mx5, 99twilightblue, aaronc7, aarontrini85, aballoonflies, absRTP, AdamS75, adriver1990, afk, afterburn27, ak47bravo, AlexL, alpinaturbo, Alta_Racer, ampz, andyb1980, andyhess, Animus21, ApexOnYou, arbinshire, ard, arga, argosy20, Aricjm15, arildh, ARTech, ArtieParty, aseer, astroboy, Asx, atl20ae, aug, AustinMini, AutoFreak57, aznDragonX, b0builder, b0ne, B2L2, Baal, BarbyCar, baron340, baronas_Lithuania, Bassmachine, Bassmaster, Batou, bayside blue, bazzar360, bbundy, bdp07, bearda, BeardedMidget, beltfedmx5, Ben, bengxe, Invisible, bingbonghello, birdmanjack, bittetech, blackna, Blaize, blakecj7, blrx7r1, bmxfuel007, bo2o, bobsaget, bogly, Bond, BoostedAP1, BoostedR, BOV Smegma, boxhaxor, BradC, Braineack, Bret, BRG 4 AutoX, brgracer, Broke Neck, browning, Brust, bryanlow, Invisible, Buck65, budget racer, buffon01, C Bo, c.hippy, c2888, caideN, Camiata2, cardriverx, castillejos2000, cat10, ccornish, chacer, chance91, chicksdigmiatas, chinamoonman, chokeasphyxia, chpmnsws6, chricto, chris101, chriscar, ChrisPackit, ckearns, clay, Clos561, Cococarbine3, codrus, comradefks, Corey, CorsaGT, CRAIGO, Crazy Drummer69, crazymparts, crespoh69, crnrhrd, CRYPTiC, Cryswht93N/A, cshann55, Cspence, ctdrftna, cueball1, curly, cymx5, D.dutton9512, Daesharacor, danas, Daveh, Davewa, Davex3, Deatschwerks, dedoky, Deepstriker, DeerHunter, delcbr, delturcious, Desde91, dgmorr, dima88, dimension, Dinosarus, Dirty Ben, djp0623, djskaizan, donflaem, donutbob, Doppelgänger, dpexp, Dragula, Drewkeen, DrewLGT, drewtam, Invisible, DriftProjectR, DROPBTM, Droptop93, druz, dstn2bdoa, ducsndubs, dustinb, dv/dt, dvcn, dwood11, DXO, E-NA6CE, e36manual, eastZ14miata, ecko, ecphsca, eddy1128, efe, Efini~FC3S, el maestro, elderc, elduce, elesjuan, em99sport, Emberghost, emilio700, emilmx, engled, Enthuza, EonBlue, eraser, eunos1800, eunos735, evad, evank, EVSS, ez4u2chere, f2fan, faeflora, falcon, FastG, fberger, fc3s690, fc_ninja, FI994k, Fidgitk, firedog25, Fireindc, flammable, flier129, flounder, fluffgrenade, Fluoxetine, Invisible, fmowry, fooger03, FoundSoul, Frankco, frostyllama, FRT_Fun, ftjandra, Full_Tilt_Boogie, furian777, f_devocht, gc8pat, Gcat, gdnimr0d, GeneSplicer, gianic, gkmiata, globodj, Invisible, Gn0m4, Godless Commie, goldakma, Golddigger, Good Enough, goop, gospeed81, Graeter, GrahamC, granth, greenday3437, Greenie, GregTSi, grimace, Gryff, GSSBMM, GT42R, gto7419, guzerone, GVwannabe, h22enjen, hackerchris, harleybutter, heychris, hilton0168, hingstonwm, honeydesean, Hot_Wheels, hustler, hx1966, IAmiata, ianp, icantthink4155, IhasMIATA?, ilmare, ILoveOffRamps, imput1234, inferno94, injectordynamics, ins2g8r, Iroquois Pliskin, isuzu14b, itsa93, iWeasel410, j-po, Jackson, jasonb, JasonC SBB, jawd75, JayL, JBalla1036, jballance, jbresee, jcocke, jdmaddox88, jedduh01, Jeff_Ciesielski, jeff_man, JEMERY, Invisible, jerrah, JETSWU87, Jfornachon, Invisible, jma, Invisible, JMLTOY, jnshk, Joe Perez, joeldc13, joemiata, JohnLovesFlyin, johnmatt, johnp2, JohnW8, johnwag, John_LA, Joseph B, jsisco, jstrane3, jtothawhat, JTY, Jubalansen, JustinHoMi, justinrlee, Justslow, Jus_tin, juxt3r, K20 Mini, Kain, kaisersoze, karmagedon, KeasbeyNights, kenzo42, kevin02, kevinmullins, kewilso3, kiladonut, kingkong15, Kingspeed, kirramiata, kotomile, Invisible, krayzrac3r, krysdafur@gmail.com, Kuba99, kulio, kullio, kyriian, Landrew, Landscaper, Larimer, Lars7, lassi, lathreos, Lazy_g, lazzer408, leatherface24, left field, levnubhin, lightyear, Lime, Lincoln Terns, Lip, liquidforce131, lo/rez, localtech, lolatmiata, longuyen88, lordrigamus, Lowerd M, LowFlyin', LRR, lsc224, LTGO168, luigi, lukydvll, lunch, LV Miata, l_bader, m2cupcar, M2Ken, mach5, Machismo, madhatter, magnamx-5, majk, Marc D, MartinezA92, Mathias, matredd, Matt Cramer, Matt Scott, Matt16sfr, matthewdesigns, mazda311, mazdadude, mazderati, MazDilla, mazpr, mca, mcarp22, mcfandango, mekaw, messiahx, MezJr, mgeoffriau, miata-turbo08, miata2fast, miatagovrrm, miatamania, miatamike203, miatamoxie, miatanewb, miatanutz, miataongt3s, MiataRoadster, miatasc, miataspeed2005, Miater, michael0008, Midtenn, mighty mouse, Mike's 99, mikeflys1, mikewolf, mikeylove, Milky, Mimime, MINI-P, minileprechaun, mister211191, MMeador, modernbeat, ModZZilla, MOL, moltenice, monza, Mr.JayDeeM, mrtanuki, Mr_SARS, msydnor, mtm68, muoto, Murdoc, musanovic, Mustard_Relish, mx5 dean, mx5autoxer, mx5booster, mx5jon, mx5roadster, MY JO, Myata, NA6C-Guy, Nagase, NateTheShake, Nealio, nelsong, neogenesis2004, Newbsauce, newold_m, NickC, nightrider1992, NiklasFalk, nikolai-7, nismo502, nitrodann, nixapgt, njn63, NoCrash, nodnarbspdr, Nofalls, NoiseRacing, nsimpson89, nuvolarossa, ohmanshawn, olderguy, oldgrayfrog, omaharam, onequickm3, oops2low, orion4096, Oscar, OscarMX5, osyazu37, owm, oZa, p51hellfire, papasmurf, Paradox

The most registrations in one day was 33, 04-13-2010.
c.hippy, cshann55, gkmiata, Gn0m4, kullio, lathreos, michael0008, mikeylove, mister211191, oZa, sebandwhit, slug_dub