Mosley-Floyd is the logical matchup at 147 for later this year. If Cotto can dispatch Zab and then beat another quality guy in late '07 (Margarito?), then that would set up a Floyd-Cotto showdown in mid-'08.

Assuming Floyd beats Oscar, I make him a solid favorite to beat Shane.
Shane is fast, but not as fast as Floyd, and Floyd is much much more versatile.