Souvenir items will eventually pile up in circulation and become completely worthless. Money, even in small amounts, keeps value.

rsable items not brand new game prizes .

Hmm... well, there's an idea. Unfortunately, that's less likely to be implemented than sP rewards.

I agree with the item idea! I'm more inclined to play Crypts if there was some reward even if I failed. Though, I've had trouble just passing the first door for awhile now. :P