Audioguy, your Integra DHC-80.2 pre/pro with Audyssey MultEQ XT32 and Audyssey MultEQ Pro Ready is an excellent unit.
...For Home Theater it is top-notch, IMHO. ...For music; you probably have a dedicated stereo system and separate room for that.
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Jack, I know all the ins & outs of the Marantz AV8003 pre/pro. ...I don't like it, and so are others.
It only has Audyssey MultEQ, bad! ...And it has some 'flaws'. But I don't want to get into this here.
* If you're happy with it good for you, but I'm telling you this; time to upgrade!
- And if you want to know more (you might even know some I'm sure), just start a thread about it (it's a pre/pro, so it would be best in the Surround Processors section of the forums)

, and I'll tell you all I know about it (perhaps stuff that you aren't even aware of, yet).
My guess is that you use it more for music than movies, then in that department it ain't that bad at all. ...But ....
Edit: While I was typing on my keyboard and submitted my entry, I just noticed Kal's post above. And he's right; with the Marantz AV8003 you don't have Audyssey with Dolby TrueHD and DTS-HD MA! ...Just not enough 'horse power' (DSP force) to do that! [You have to use PCM] ...And no Audyssey Dynamic Volume, no Dynamic EQ, no MultEQ
XT, no Audyssey DSX, ...
Also, no Volume display! ...And a buzzing sound!