I’ve always liked these amps. I got my 1st one in ’99 for 175 usd.
While they do have some durability issues, there’s been nothing I couldn’t fix out on the road so far.I like the straight Mig 50s the best. I’ve added a post-phase inverter master volume to two of mine

http://img.photobucket.com/albums/v36/ayhcult/migrig.jpg

Live at the BBC….

http://img.photobucket.com/albums/v36/ayhcult/07-28-10_142202.jpg