Nice!
After hearing sr5400/sr7400 I was allmost decided to buy the Sr7400, but with the new Sr5500... RS232, LipSync, video upconversion...
Take a look:
http://www.audioholics.com/cedia/
Lets see if the goodies on the SR7500 are worth it or I'll go to the SR5500
Or buy a cheaper SR7400...
Great buy the SR4500!
