SF can't repair Pre/pro What to do?

I have an Anthem AVM2 that is about 20 months old. Three months ago, it stopped working. Sent it back to Sonic Frontiers for repair under warranty. They had if for about 6 weeks and when I got it back it was dead out of the box. And, the faceplate and top cover were scratched. I sent it back to SF for repair again, after much arguing, about 6 weeks ago. So, I go to my local dealer to pick it up this afternoon, and what's the first thing we noticed? They had agreed to replace the faceplate and top cover because they damaged it. Well, needless to say, the faceplate was not replaced, and it looks like they let a 2 year old repaint the top cover. The volume control is not working, and the unit keeps going into protection.

So, my question is what are me legal options. They have had the unit for more then 20 days on the shop floor, so can I sue under the lemon law? In addition, they sent me a repair order stating that the top cover and faceplate had been replaced. But, they were not replace, so is this considered consumer fraud? Can I sue for triple damages because of consumer fraud. Do I sue the distributer, Audiostream in Buffulo NY, or do I sue Sonit Frontiers directly(located in Canada)?

I'm really frustrated, and I feel betrayed because I have been mistreated and lied to by a supposed "High End Company". Any suggestions or legal advice would be greatly appriceated. I'm going to contact an attorney on Monday, but I'm climbing the walls and need to do something right know less I explode.

Thanks,