Price is basically the same (about $2000). The 950/750 combo would require some interconnects, which will add some cost (although the "short stack" of PCA's from Outlaw is under $100 delivered and would perform very well as long as the pre/pro and amp are fairly close together). The 950/750 would also offer a good bit more power (165W/channel instead of 100), some upgradability (even if the 950 becomes outdated, you can replace it and keep the 750), and some additional processing options (primarily stuff like 6.1/7.1, which based on the Rotel documentation doesn't seem to be available on the 1065). The key, though, is how each piece
sounds, and we still don't actually know anything about how the 950 sounds. We can make assumptions based on the 1050, but we can't be sure of anything. For now, I'd say go play with the Rotel and see if you like the sound and the usability of it -- does it sound nice to you and does the user interface seem comfortable? It might be worth holding off on a decision until we start getting some real feedback from users on the 950. At that point, go with what you think you'll like the most.
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Gonk