I've finally joined the group of full frame camera photographers with the purchase of my Canon 5D! The image quality improvement is amazing and the wider focal length is very useful. I still really like my Canon 7D as there are things like fast shooting speed, better auto focus system, and hd video that the 5D doesn't have. Not to mention there is great sentimental value with how much I've used it that I plan to keep it.
My first time out with the new camera body was shooting at the Beta Nightclub again. I was very pleased with the results of image quality, but I wasn't happy with the very short battery life however I think this will be resolved with newer batteries as the ones I received were used. It was a good thing that I brought my 7D as back up so I could continue shooting as the two sets of batteries for the 5D didn't last the night.
The DJ headliner for the night was Martin Solveig from France, who had one of the most amazing sets I've ever seen. He really knows how to please the crowd, it was a crazy night!
The top right and bottom left images were taken with the Canon 5D. It is hard to notice the image quality difference at this resolution but they are there believe me!