Objective-C and then what? Android, Windows 7, Blackberry...
Question: what should one focus on when there is a strong need to develop Apps for multiple platforms? I spend all this time focusing on Obj-C, but that get's me no where with Android, Windows 7 or Blackbery.

Recommendations?
Objective-C and then what? Android, Windows 7, Blackberry...
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Question: what should one focus on when there is a strong need to develop Apps for multiple platforms? I spend all this time focusing on Obj-C, but that get's me no where with Android, Windows 7 or Blackbery.

Recommendations?