I heard it sounds bad to overdrive a POD

I don't know I haven't tried it.
Another thing about the Xt is the USB connectivity. I already updated it to v3 and downloaded some patches. Most of the patches I downloaded sucked though. The Xt has the freedom to update and add extra amps.
Oh ya...I'm running it into the front end of my solid state twin and into my C30. It sounds good through both.