I'm pretty sure the Avenger will do better should it come down to resale, but a 5150 is just one of those amps that slays and I'm getting the feeling you have a romantic relationship with the idea of obtaining one(because you mention 5150s a lot :lol:). I'd have to say the Avenger will have less noise/hiss. Peavey really doesn't do much for a 5150 in that department even though it would be cheap. I guess that's why it is and has been a very popular mod platform. Lot's of little bits to make better/different or play with.