Lexus LFA '10 - Got mine in matte black. Tried it in stock form for a little bit, then went ahead and fully tuned it. It's a good car, fun to throw around because it's fairly balanced and the FR drivetrain gives it nice weight distribution, but not worth the 375,000cr I dropped buying it. Like the user above me, it's more like a novelty than a serious track car. Looks badass though, interior and exterior, especially with the goldish-yellow wheels I put on it. Epic sound from that V10.
Mitsubishi Lancer Evolution X GSR Premium Package '07 - Haven't touched it yet. But I have a feeling it will be great.
Subaru IMPREZA Sedan WRX STI (18inch BBS Wheel Option) ‘10 - I went straight to full tune status and found it to be a monster on a technical course. So stable through corners. It laps the Nurburgring just as fast (maybe even faster) than my fully-tuned M5!
Nissan GT-R '07 - Excellent all-around car! Even in stock form, it's stable at high and low speeds, and truly godzilla in the making once all mods are on it. I painted mine matte black using the paint chip I got from the LFA, and another matte black I forgot where I won it from. Stealth godzilla, as it's called. Beastly.
Nissan GT-R SpecV '09 - Same as the regular GT-R, except lighter and with a bit more power under the hood. I got mine in red to pay tribute to the R33 Skyline, which was also in red, that I had in the original GT. Another beast to add to the stable.