Originally Posted by
Solevita
although in practice any balance above 3000 (even 2700 really) would be pointless in terms of carry over since that's (currently) enough to give you 10 years Platinum -> Platinum for Life.
Be careful; a year without any new activity could lead to an immediate downgrade to Explorer and loss of all accumulated XPs
[At least, that's what used to happen in the old scheme...]