Username or EmailPassword
SkyOS: log(2^n) / log(2) (it appears to be progressing quickly, but doesn't actually get anywhere)
Windows: n+1 < n
OS X: n+1 > n
Haiku = R5
Amiga = 0 * 0 (where 1: is software availability, and 2: is hardware availability)
"OMG paying for a beta?"
and more or less the reply to it
"You get access to the final version with that payment"