I personally would sell the Infinity's(or maybe move to another room), and start over with a COMPLETE new system! You need to concentrate on getting a cohesive matching speaker package together first, then find out what receiver/amp/processor, etc, you need.
Are you doing equal music to Movies? Any priorities there?
What's your room set up like?
Are you doing equal music to Movies? Any priorities there?
What's your room set up like?