hmm...i find this idea very good. But...its not really ez to do
that....i mean not every seller and buyer is free on sun and if
first response is not good, the following response will get worse.
And the whole thing will just flop.
And maybe its just me, but i think that as u have said that, for
the seller, its good becoz they get to listen to the highest bid,
ppl who go there are mostly "bike" ppl, and know roughly how much
the bike is worth, so I dun really think the price will stretch til
too low/high. And i still think that individual selling/buying
would be a much convienient choice.
But hey, just my 4cents worth. So dun really take it too seriously,
besides, i'm inexperienced. So now talking crap. 
