buddy, i was in one one wednesday that had 400-some entrants, finished 3rd and i think it took about 3.5 hours. there is a thread somewhere here with all the details. for YOU? about 15 minutes

j/k
HighRoller, download (about 10 minutes) and signup at
party poker
they have single table and multiple table tourneys running all the time. buy-ins ranging from $3 up to $600. payouts depend on amount in the prize pool and amout of entrants.
i'm watching Mr. play one now. that one started at 6pm with 622 people and there are 120 left right now.