If you are not adverse to Behringer products:
http://www.behringer.com/EN/Products/ACX1800.aspx
Our main guitarist has been using this for a few years now, and I think it's fantastic. You get a lot of volume from it, got a decent EQ, DI Outs, and two inputs (this way you can also have two separate EQ sets if you use different guitars).
It also has mic-in on the second channel.