2G GS300/GS400.
2003 Infiniti G35 (Dead reliable also fun to handle and easy to mod
)
1G SC300/SC430 (Fun easy to mod)
If you get a LS400 you can VIP it out. Check out Clublexus.com for more info on the Lexus cars. All those cars should be reliable and the plus factor is they can be modded easily and are pretty fast.