I want to plug my one pair of headphones into something that can allow me to hear multiple sources, for example so I can play my guitar and listen to PC at the same time. I was looking at mixers and just curious if anyone has one and which you may recommend. I am thinking of this: http://www.zzounds.com/item--BEHXENTX502

Takamine EG341SC
Godin Freeway Classic -> Boss TU-2 -> Fulltone OCD -> MXR M173 -> Boss RC-20XL -> Traynor YCV50 Blue