Sorry for not posting sooner guys,
Finally after trying for 4 days now I have decided to send Denon 3311 back. I have tried re-running the Audyssey few times again:
- I replaced my camera tripod with floor mounting camera stand.
- Measured the spacing between the camera positions.
- Kept everything out of the way between the mic and speakers.
- Tried tilting the mic a little forward towards the center.
- Placed the mic at the main listening poistion twice.
but wasn't satisfied with the sound of Denon. The surround sound is very nice but it does not do justice to my sub. Also the sound is thinner and brighter than my old Pioneer Elite receiver. I'll look into Onkyo TX-NR809 or Pioneer Elite SC37.
Thanks to all that responded.