Pre-usb Keyboards And Usb/fiwi Audio Interface, will all keyboards work as a controller? Options

[amswineh]

As I begin to piece together some equipment for composing music, I've decided my first hardware buys are:

MIDI controller keyboard
Audio (USB or FireWire) interface (1/4" inputs, MIDI, XLRs, etc)
Studio Mic

and I'll go from there with appropriate software.

But I was wondering: I could get a USB controller keyboard. But since I am going to get some sort of audio interface (say a Tascam US-122 or M-Audio 410), do the MIDI inputs transfer through the USB/FiWi. For example, if I want to hook up an old pre-USB keyboard via MIDI, will the hardware properly transfer the MIDI calls from the keyboard and send through USB/FiWi to the computer? And will any MIDI keyboard work? Any problems you see with this setup? Did I just confuse the hell out of you?

Also, I need more information on the "debate" between USB and FireWire audio interfaces. I know which one is the best, but it's also the more expensive, and I'm pretty low on money at the moment.

just a caveman,
alphonse