Not every long when i downloaded it, but its getting bigger everyday. Course depends on your connection speed.
But my guess wud be 10-15mins, this seems fair assessment for average broadband user. That's download to log in, even playing if u log in quick
As far a beta keys go, if u not registered yet or just registered, i wud say slim to nil.
There are still many who registered weeks ago who still not got one, they wud be first on list for furture testers.
'Keep it Kool
'