If you really need Bitcoins for something right now (unlikely, unless you're buying drugs), there's Tradehill.
Thanks, I feel neither an immediate craving for Bitcoins nor for drugs - it just would have been nice to buy some (Bitcoins, that is
I'm a bit disappointed by Tradehill because despite their promising list of currencies on the website, they still haven't managed to get a European partner or at least a European bank account which means rather high fees when trying to deposit Euros.
Every other market is not very interesting due to the low volumes.
I regularly buy small amounts at bitmarket.eu, but it becomes a great hassle for larger sums because you usually only have single-digit BTC offers within an acceptable price range and you have to manually pay everyone separately.
Guess we'll have to wait until Tuesday and hope the funds clear before the weekend...
Have fun buying cheap, everyone in the US