Does having an existing beta-key reduce the odds of recieving another?

I'm not sure what you're talking about - are you referring to the beta invite timer?

If so, then I'll clear up a couple of misunderstandings:
1) The timer does not give out keys, it just puts accounts directly into the beta.
2) Accounts already in beta cannot ever be picked by the timer (regardless of whether they got in by the timer or other means).
3) "Friend keys" are given out to people in the beta at random, for them to distribute to friends or others on the forums. This system is entirely separate from the beta timer, and has nothing at all to do with the timer.

The 10x multiplier is just for having made at least one post on the forums.

If you are picked by the beta invite timer, it will email you and PM you on the forums.


If you are in beta receive a key to distribute you get a PM, I am not 100% sure if you get an email as well in that case.

If someone in the beta gives you a friend key to activate your account with, then you'll be notified by them by whatever method they use to give you the key - probably PM.