I am switching to textmate and there are a few things I want to change. I have tried Googling for the answer, but haven\'t found a simple explanation for how to rebind shor
Yes. For the arrow keys, you can record a macro (Bundles > Macros > Start Recording, [press an arrow], Stop Recording, Save Last Recording. It'll make a macro with the one command moveLeft:
or similar. Set a key equivalent and you're done.
For the tab switching, go to System Preferences > Keyboard > Keyboard Shortcuts and add new shortcuts for menu items called "Next File Tab" and "Previous File Tab". Restart TextMate, and you're done.