Oh I hope he stays. And I think Hurley will try and sell him on that. Just the sense I have gotten is that he is most likely gone after this year.
Gilbert strikes me as a player that has a lot of loyalty to the UConn program, his teammates and coaches, and also as a squared away individual making smart and mature choices for his professional and personal future. If AG has a good season it is possible that he plays himself into some consideration for some NBA looks and could certainly play overseas.
As far as staying another year, if UConn, (now playing in the much better BIG EAST conference,) with Gilbert playing the point, is positioned to contend for championships, possibly being a top twenty team or better, he may by playing another season really improve his draft potential, as well as making the most of his opportunity to experience winning with this group of UConn players and coaches.