Bitcoin nearing $800/BTC
bitcoincharts.com
bitcoincharts.com
edit: Forgot to mention, only profitable with Spot instances which are significantly cheaper than the on-demand rate.
It would make sense for Amazon to raise the price rather than disallowing it (specifically, because enforcing a prohibition on activity would cost Amazon money, but setting the price to be at least marginally more expensive than Amazon's expected minimal-effort realizable gain from using the GPU instances themselves would make Amazon money.)
It's good because more and more people are learning about Bitcoin. It's never going to stand a chance without mindshare (ignoring any other problems it has).
It's bad because when this bubble bursts, the resulting backlash from people "investing" in it (instead of using it as a currency) is going to put people off.
I just did this with BTC-E.com today.
Withdrawal to a bank - depends on the method you use (SEPA, wire, etc) and the country you're in. From a few hours to a few days.
What's the best site to bookmark for a simple real time price quote?
You need to watch the other US exchanges as well, not just MtGox. It's basically impossible to get USD from MtGox right now, making it a very poor benchmark for the actual exchange rate.