@red_kk what are you hoping to get out of this deal? The amps are nice and so is the 8801, but it's going to be limited if you want to incorporate it into a modern system. In your other thread you said you were thinking about getting a SR5014 I believe? Would you be getting this deal instead of the 5014? What do you have for a receiver right now? I don't remember if you mentioned it before.
My current receiver is a 10yr old Pioneer VSX 1021-k with 90W per channel in stereo mode. Doesn't sound bad at all.
I have several options at this point, SR5014, SR6011(for $700), Aventage RX-A2080 (for $1k). Basically i'm looking to get sound that fills the room without compromising on clarity which I see a bit lacking now with my current Pioneer)
As for the HDMI 2.1 features, i'm never going to use them. If it supports basic 4k switching i'm good and I can always buy latest and greatest in future once I know what exactly I want. This is mostly to explore different combinations hence i'm looking for used ones so I don't take a big loss when I sell.