If you don't need the money TOMORROW, ING Direct and various other banks have money markets near 5% with no minimums.
My 401K is being hammered of course. I think I'm down 9% for the year but I have 35 years or so till retirement and I'm set fairly aggressive.
You can, but you need to turn off the DHCP server in it and turn it into a switch. But if you are going that route, why not just buy a long ethernet cable and go direct from your router to your 360 without having this in the way?