I have always admired the attention to detail that Asus has put into it's boards. They have always been at or near the top of the list for boards that I use when building systems. My first dual GPU system was on an ASUS board. Dual 7900 GTs. It was amazing.
Where to begin? 2GB GDDR5...double what I have now...
Display port...don't have one now.
Higher clock rate...more cores...all around a massive improvement over my Radeon 4870. Sign me up!