How to toggle between .h and .m in Xcode 4

Question

Just installed Xcode 4 so far so good, except that Apple changed all the keyboard shortcuts! Anyone know how to toggle between .h and .m?

Answer 1

Hither be the Grand Unified Gigantic Sheet of Xcode 4 Keybindings.

Download it.
Preview it.
Print it.
Read it.
Know it.
Use it.
Be it.