I'd third the Cosco Scenera. That's what I got for my parents to use, and also for DS's dad. It's not the most luxe car seat ever, but it's got great safety ratings, it's rear facing pretty much the whole way through, and it's really cheap.
Jen, journalist, policy wonk, and formerly a proud single mama to my sweet little man Cyrus, born at home Dec. 2007
. Now married to my Incredibly Nice Guy
and new mama to baby Arthur.