I saw the reviews this company had here and was afraid -- I had no choice because I'd been sent to this company by the company managing defunct Circuit City warranties.
These guys are GREAT! The original appointment was for tomorrow. A guy called today and asked if he could do it today. Sure, I said. He talked with me to isolate the problem and suggested he'd be able to fix it on-site, between 2 and 4 p.m. At 3, a guy arrived. He took the box apart, found the problem, showed it to me, and had my TV in working order 10 minutes after he arrived.
I give H&H my unqualified top rating.
Pros: Fast, efficient, timely