Marantz is on a 1yr cycle, same as most receiver manufacturers, so sometime around October we should start seeing new models from Marantz. The 7500 is a solid unit, just like the 7000 was. What speakers are you planning on driving with it?
There's an 8200, without the update, for just $500 on Audiogon right now!! That's a crazy low price - they're selling around $700-800 lately. Though it lacks some of the latest features that the 7500 includes, such as MRAC, PLIIx