I wish I had read this prior to trying to use them. Being a little paranoid I sent $25 as a test run using a visa gift card and everything looked like it would work just fine...
Got the first email saying that they have the email from them 3/10/2012 3:45 AM because they couldn't fill my order at the requested rate. It was only a few cents above so I replied yes transact it at market. Then noting.
Got the next email at 3/13/2012 12:27 PM asking the same thing. Again responded yes because rates were still in the same general area.
They then took 22 hours and filled it at the 30 day high rate!
I'm not sure if it was intentional or just incompetence but they basically screwed me out of 12% because of the rate changes. So all in all I ended up down 20% before things even started. I sent them an email complaining and have not heard word one.
I would say everyone is much better off using one of the various ways to get money to a major exchange where you can control the transaction.
Moral of the story DO NOT USE GET-BITCOIN.COM