Do these look like decent finds?

[dd12939]

I don't really know much about old Fender amps (specifically these Champs) other than that the couple of times I've played through them they have sounded nice. do these look reasonable, and is this a decent era of amps?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=38074&item=3760644155&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1288&item=3760621103&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=38074&item=3760986122&rd=1
thanks