The advantage is the Sandy Bridge CPU. I have yet to find a review, with benchmarks, that has not raved about the new CPUes. General opinion is it is the best next thing since sliced bread.
There was a fault with a chipset on the 1155 socket platforms with a recall of all products. This has now been corrected. Anyone who had a faulty board will get a replacement. This means that there is a shortage of stock so as fast as boards become available the stores run out of them.
Here is some reading to start you off.
This site give a list of links with sites that have benchmarks, usually part of a complete article.
This is part 1 of 5, (links on the right of page 1),
I'm not an OC'er, and I don't plan on OC'ing this machine.
Would you really use all the features of the board? > http://www.techreact...-world-part-22/
A lesser spec Asus board and SB CPU is easy to overclock, just a couple of clicks, I would spend the saved money on an SSD drive.