Fusion MS 600 series, the best gets better

The lighting was tough for photography, but the quiet, sunny Camden breakfast spot was a fine place for Todd Crocker to demo Fusion's latest 600 series of "True Marine" stereos. When Todd visited in 2008, he had the very innovative 500 series to show off, which I later tested myself and then wrote up for PMY. If you check the links, you'll know I liked the MS-IP500 a lot; but I like the new models even more...
The biggest news, though, is the new $550 MS-AV600 model, which adds DVD playback to all of Fusion MS's other possible sources. Fusion handles the movie audio while both RCA and S-Video outputs send the video to the onboard screen(s) of your choice. The MS-AV600 can't play videos off an attached iPod/iPhone, but if anyone is going to crack that interesting nut, it's probably going to be Fusion. In fact, I can't think of any other stereo company that is putting nearly as much R&D into marine entertainment as Fusion (and, yes, there is an interesting small boat series eventually coming to that empty hole in Todd's big display case). As best I can tell, the only other company that's designed a marine stereo from scratch is Poly-Planar, and while I like the MRD-70/RD-44 system that came on Gizmo, it doesn't seem like Poly-Planar has yet stepped up to what's possible with DVDs and iPod/iPhone control. Check out Fusion Marine Audio here.

The West Marine web site says that the MS-IP600 has a smaller display than the MS-IP500, is this true? It is hard to tell from the pictures and it is not mentioned on the Fusion site.
According to the Fusion site, the only difference is the 600 only has one line-out which is a good compromise for the reduced price.