SAN FRANCISCO (Reuters) - Microsoft's (MSFT.O) "Halo 3" has dominated video game headlines this week, but if blasting aliens isn't appealing there is more on offer in other games, including role-playing the composer Frederic Chopin. "Halo 3" is also only available on Microsoft's Xbox 360, so owners of Sony's (6758.T) PlayStation 3 or Nintendo's (7974.OS) Wii have to look elsewhere. The good news is that there are a number of games that have garnered high marks from reviewers and don't involve plasma rifles or parasitic alien life forms. "'Halo' is sucking up a lot of the publicity right now but...