Basically, there are now visible differences between 800 and 803, except some critical issue fixes related with stable work.
M-Powered is made specifically M-Audio I believe, as far as what they can do I think it is nearly the same.
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.
the letters after pro
Neither is as good as the full version, but from those two - Pro Tools MP9
the 026 pro is a newer version
There is no Pro Tools LE 9.
Yanga
sample rate difference. they have to be set to the same sample rate
pro has bigger memory and 3 mp camera.
Mbox 2 Pro has more inputs.
The only difference between pro and regular pills is that Viagra Professional comes in the form of sublingual tablets.