The Expert can be a little more picky "rarely" with RAM, the (HTT FSB) limit is a lower on the Expert compared to the Lanparty. All the voltage in the world is available straight out of the box with the DFI board. They are very stable and are built for the enthusiast (you) by an enthusiast. If you get lost in all of the options in BIOS then simply leave them alone. You are way better off having the option to adjust then not. Whilst ASUS make a very nice board, when it comes to getting the most out of hardware DFI will pull through generally every time.
you mentioned you would personally go with ASUS. Why, have you ever had a DFI. What is your reasoning?
There is a reason the DFI is popular amongst the enthusiast, and it is not because we are sheep