Yep, had one for about a month. It's very nice. Fast transfer, gorgeous display. Can zoom Canon RAW raw files. Has played every video file I've thrown at it (although can't handle AC3 audio). Hard disk, CF and SD slots all show up as seperate drive letters under XP so you can drag and drop files around easily- also means it doubles as a card reader for the PC. Battery life seems pretty good - haven't done any stress testing yet though.
Of course nothing's perfect. As an MP3 player it leaves a bit to be desired, if you are playing audio and you go to do something else (e.g. transfer files) the audio stops playing. The audio user interface needs some work. The supplied Espon Link2 software is also quite poor, fortunately you don't actually need it since the hard disk shows up as a drive letter so you can just drag and drop files.
Regards,
Phil.