Don't forget that Astana's 2010 team is a grabbag, not the choicest collection of riders. The Hog stripped the team to the bone when he went to Radio Shack and Astana only has had since August last to completely restructure the squad. In fact, it appears to me that at least part of Hog's motivation was depriving Contador of certain riders' services in the upcoming season. Sergio Paulinho, for instance, was added to Astana's TdF squad last year specifically to appease AC, who (correctly) suspected that the team was being front-loaded to Armstrong's benefit.
Given another year to recruit, Astana should be a substantially stronger squad. Not to mention there are no Radio Shack stores in Europe. Now that they're facing the prospect of losing the advertising and crowd-drawing potential of a Lance Armstrong, I suspect their bean counters must be questioning the wisdom of sponsoring a continental cycling team. I'd look for many of the riders who followed Armstrong's move to be riding for someone else next year. And I'd be surprised if Paulhino doesn't rejoin Contador at Astana.
Contador this year is the same age as Armstrong was when he won his first TdF. It's a fair bet AC has two or three more left in him. Give him a team with the strength of LA's Posties/Disco squads and he could stretch that to five or six more.