The PRO II and III have excellent receivers on AM. My PRO II audio out drives a Lafayette 3-way bookshelf Hi-Fi speaker. AM amateur transmissions sound great, and, if you do AM DX'ing, the PRO II or III will knock your socks off. Both rigs also sound great transmitting in the AM mode.
As far as the 7600, it's probably at least 2 years away from distribution in the U. S. Icom most likely will showcase it at Dayton in 2009 and then there's the FCC's blessing that needs to be secured. My understanding from the scuttlebutt is that there's still some design issues and features that still need to be resolved. Most likely, as indicated, it will be a scaled down version of the 7800 and 7700 series of transceivers. Sort of a "poor man's" contest rig and probably listing between $3K to $3.5K or higher depending on the features and the yen to dollar value. The PRO III is a great value at this time if you're in the market for a super new rig, don't want to go the Flex or K3 route, and don't want to spend $4K to $10.5K for a rig. I love my PRO II, but sitting next to the Flex 5000, the Flex is hard to beat in features and flexibility.
Of course, the "front panel" takes a little getting use to:
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