Last I heard there were going to be 6 plus a couple to comply with European anti-trust regulations.
I am guessing here:
1. Dumbed down version for low spec machines
2. Home vanilla flavour
3. Super home
4. SOHO business
6. Corporate server
Or something along those lines?
If you cannot do someone any good: don't do them any harm....
As long as you did this to one of these, the least of my little ones............you did it unto Me.
What profiteth a man if he gains the entire World at the expense of his immortal soul?