M-Powered is made specifically M-Audio I believe, as far as what they can do I think it is nearly the same.
Basically, there are now visible differences between 800 and 803, except some critical issue fixes related with stable work.
Price.
the difference between a pro and a con is that a pro is the good thing and a con is the bad thing about htte problem.
Yes, although you will need an M-Audio interface connected to the computer in order to launch ProTools MPowered, or an Avid audio interface connected if you plan to run ProTools LE versions 8 or earlier.
the letters after pro
the 026 pro is a newer version
Yanga
Mbox 2 Pro has more inputs.
pro has bigger memory and 3 mp camera.
Neither is as good as the full version, but from those two - Pro Tools MP9
sample rate difference. they have to be set to the same sample rate
The only difference between pro and regular pills is that Viagra Professional comes in the form of sublingual tablets.