Hi,
Glad to see this thread
I own an rp91, and it's been my main source for several months now. I have occasionally made brief comments about how much I like the sound. I like it *way* better than my stock RME digi PAD soundcard + foobar2000. At least compared to the RME it's got a warm, smooth, musical sound without sacrificing detail. The RME is too harsh and dry for my tastes (is that really anyone's taste?
)
I'm currently using it with a Gilmore V2, HD650's and a Clou Red, and all my headphone, amp, and headphone cable upgrades up to now have been easily discernable with the rp91. Even the HD580-to-HD600 upgrade showed a nice improvement (so much for headroom's "you need at least a $$$$ player to hear the difference"). Bad matches are immediately apparent, as well. I think that's a sign of a decent source. To top it off, the 480i video output for dvds is amazing and it was long thought of as having the best 480i under $1K (I use an HTPC as an external video processor, so all I need is that 480i). Crutchfield was selling these things scratch & dent for $255 shipped not long ago (they may still have some), and damn, at that price, for all you get (audio and video), it's one hell of a deal. It was originally Panasonic's flagship DVD player from 2001-2002, back when being their flagship meant something, and it sold for $700.
Of course, due to head-fi I still have a raging curiosity as to what a better source would sound like. I'd also love to know how much I'd have to spend to see a worthwhile improvement - maybe a Rega Planet 2000? From what I read this sounds like it might have a similar tonal balance and thus similar matching requirements. Anyone have any experience with both the rp91 and good CD players?