Contemporary Corvette in Bristol will have something - Fparts on eBay. Some guys whine about price but how many sellers offer "Most engines have a 90 DAY WARRANTY with some engines having up to ONE YEAR". Complete harnesses as well. Everyone I've talked to that bought from them was very happy.
00 Trans Am Camaro LS1 Engine w/Manual T56 Trans 45k:
http://cgi.ebay.com/ebaymotors/00-Tr...mZ380123094005
99 Trans Am Camaro LS1 Engine w/Auto Transmission 81k
http://cgi.ebay.com/ebaymotors/99-Tr...mZ380123934886