Both are near identical when it comes to networking. When dealing with a "gaming" series board/product, often times people have no clue as to what the backbone or underlying features are for the networking controller apart from getting you connected to the www.
What sort of options do you have access to and how much do they cost? If you're not dealing with packet prioritization on a particular network or a particular app, you're good buying just about any board with an onboard LAN controller.