Just got mine (the 445Xi as advertised). No significant problems and definitely keeping it. I did notice two things that might be of note, but I'm not sure if they are defects particular to my unit or if they arise due to it's construction. First, from an inch or two away there is a detectable horizontal grain, but from a foot on back I can't see it even looking for it (although I can kiss my ViewSonic 21PS and not notice any problems ^^).
Second at low resolutions (640x480 and 800x600) there is a circular sort of moire that's visible in dark scenes (that the moire controls don't affect), but this completely disappears at 1024x768 and up. It's not very bad and is easily ignorable, but it does have me resizing any mpeg4 stuff I play on the fly rather than just setting the monitor down to their resolution like I usually do.
The color response is very nice, I admit I have to adjust the gamma for individual colors on my 21PS (which is from ~1995 so I forgive it), but none of that needed here. I looked up the stats ahead of time so knew it was shadow mask (which I prefer) and not perfectly flat, so no problems for me there.
I did notice an add for Nokia 445Pro Flat which is AG on sale at overstock.com for 279 w/ 3 dollar shipping. So AG fans might want to check on that, although I image there are a preponderance of other AG options since corporations are the ones dumping all the CRTs and AG fits them.