In the older men category, Sean Connery has to be on my list.
Others:
Benjamin Bratt (top of the list)
Orlando Bloom (especially as the elf in Lord of the Rings. LOL)
Brad Pitt (didn't realize how fine he was til I saw the Troy previews!)
Ryan Phillipe
Nick Lachey
Russell Wong (New Jack City and Romeo Must Die (Kai)
Goran Visjnic (ER)