windows 7 - How do I remap multi-key sequences to individual keys?

I just bought an IBM Model M keyboard. While awesome, it lacks a windows key and multimedia keys. While there are many programs out there that can map one key to another, or one key to a key sequence, are there any programs that will map a keyboard sequence to a single key?

Edit: OS = Win7

Answer

Autohotkey.

It can map key sequences, macros, mouse input, pretty much anything to a keypress or key combo.