You can definitely switch OS by swapping drives. That might be the simplest method. It's not too hard to install multiple OS's on the same drive and use a boot loader menu to switch though. That way doesn't require any hardware swapping.
As for Win 7, ASUS doesn't provide any drivers. Getting it to work is going to be very difficult, if not impossible. My recommendation would be to try running Geekbench on Linux. I've heard you can get higher scores than Windows and distros like Ubuntu aren't difficult to use.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…
