I don't think it should show your balance and people are starting to create regional groups for people to join.
Why not? are people afraid of letting others know how many bitcoins they own? I for one am proud to say I have 200+ bitcoins...
How about just saying whether people have 100+ or less than 100?
I'm really just trying to continue building market data so that we can help justify the business case for brick & mortar stores in various marketplaces.
Alternatively, we can setup forums like Bruno's where he keeps track of each situation separately.