I figured out that the 3310 can upgrade to Audessy DSX for $100. That was the difference.

I decided to go with the 3311. Felt pleased with a deal from electronics expo that was just $120 more than the 3310. It shipped today:)
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Harman/Kardon DPR-2005 | SVS PB12-ISD | M22s | QS4s | M2s | VP-150