The 30K service means change fluids, spark plugs, filters, and a thorough inspection. My car was at 75K. I recently had EZ lube change my oil ($100), I changed the filters($60), and my trusted Indy shop bled the brakes and performed a 4 hr thorough inspection for $350. He didn't charge enough.
Here is the 30k checklist:
http://www.renntech.org/forums/index.php?autocom=maint&code=maint_box_us_mj_04