I'm not familiar with either the adcom or the carver, but another option is you can get a pair of B&K M200 Sonatas for ~$600 - if you want to biamp - get 4 of them.
You'll be stunned by the performance. They're capable of 150 amps peak to peak. 200 w/c @8 ohms, and stable below 2 ohms.
You'll be stunned by the performance. They're capable of 150 amps peak to peak. 200 w/c @8 ohms, and stable below 2 ohms.