TT, 30k should definitely find you something worth a damn. Most really depends on what year you want and how fast you reallllly want to go.

You can get stuff like this all day long in this range. Newer stuff is harder to work on yourself because of all the newer computer wizardry.

Or, you can go older and get stuff like this and be able to swap things around no problem by yourself over a weekend.

Ron has the right idea, get in touch with old school established vw/porsche mechanics. They always know where the deals are. If you ever find yourself in the Southwest and need one of those old farts, I have a list of guys that could point you in the right direction.