My advice now that I've had my R for a while is to leave it stock for at least 6 months. Spend your money on auto-x and the things needed for it such as tires and brake pads.

If you want to mod it just keep it simple at first and slap on a good I/H/E setup. That right there is good for high 13's in the right hands. Enjoy the stock suspension for what it is before you decide to upgrade. Throw on a decent set of front brake pads and flush the fluid. This should keep you pretty content for a while.

Althought my ITR was and still is extremely fast for the mods my current setup is kind of ghetto (exhaust leaks and a few other half ace stop gap parts). It's cheap and it works but I'm in the process of getting it cleaned up, replacing alot of preventive maintence items, and some more tuning to make sure it is running at tip top shape. After that I'm going to leave it alone for awhile a just enjoy it on the track for what it is.