A Corvette? Sorry I can't help you...
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Seriously though, Corvette paint is decent, especially the C5 and newer models. I've seen a lot of rough C4s though. If the clearcoat is in REALLY good shape, just perhaps a bit dull or has hard water spots on it, find a good bodyshop you can trust or perhaps a pro detailer, and have them wet sand the clear.
This will do a few things. First, it will smooth the surface and get rid of all the factory "orange peel" in the clear. Orange peel is the natural condition from spraying and it leaves a bumpy surface. Wet sanding makes the surface smooth, increasing the clarity of the reflection.
Wet sanding will also remove deep scratches (in the clear), surface haze, water spots, swirls, etc. When done right the paint will look like a pro shot it and you'll be ready for your first car show.
When this is done it also sets the surface up for proper future care. It's really noticable on a dark colored car, but is still very nice to do on silvers, grays, whites, etc. It should only set you back about $200. I know it sounds extreme, but it will make your car stand out without a complete repaint.
For the interior (leather I presume) Meguiars makes some really nice leather care wipes. Pull one out of the package, wipe down the seats, steering wheel, etc. and it will clean and condition in one step.
Those Turtle Wax interior care wipes I mentioned earlier will do great on non leather surfaces like door panels, dash, console, and I even use them to clean dust out of the headliner (drive with windows open due to broken A/C right now) and the carpet as well.
Lastly, for wheels, don't bother with any sort of "no touch" stuff. You need to get in there with a good brush and clean the brake dust and crud off. No spray is going to do it for you. Pick up some detail brushes for the A/C vents, radio and A/C control crevices, and a brush for your wheels.
Oh, and use a bucket with a dirt/grit trap in it, or the two bucket wash method (look it up), DO NOT use household soap like Dawn, it will strip your wax off, unless that's what you want to rewax the surface. Use a good quality car wash soap. Turtle Wax and Meguiars get my nod there. Don't use a wash rag or standard rag to wash either, instead, use a nice soft wash mitt that will hold a lot of suds.
HTH...
Mark
