What are you not happy with? I think you could use a larger amp, but only if you are not happy with the dynamics - Tough to beat the 3.6 with 3-4K, they are such a great value. If you are looking for a better sound, try some room treatments. Much cheaper, and very rewarding!
Upgrade Thiel CS3.6 or McIntosh AMP
I currently have a McIntosh MC7150w (150wpc) that I am using with a pair of Thiel CS3.6 speakers. I'm thinking of upgrading and trying to determine if I should spending $3-4k on a bigger amp or put the money towards a different set of speakers. Any suggestions?