ttaylor,
I don't own one, but I was fortunate to get to play with one for a weekend a while back. They say first impressions are everything, and I have to admit, I was very impressed by this camera. You're right, the camera is good stuff, and it would last for a good while, being Hi Def.
That being said, the one downside to this camera is that it was one of the very first High Def Prosumers out there. When I went in to my local camera shop to demo the XH-A1 from Canon the week it came out, my dealer already had a used FX1 on his shelf.
Now, before you hear my following advice, I need to warn you: I'm a Canon fan. I love their products, and I think bang-for-the-buck wise, you get so much more from them. There, you've been warned! :-D
As I said, the weekend that Canon released the XH-A1 to dealers, I was there to try it, an I have to tell you, I fell in love with the thing. It has some incredible features, such as a set of three assignable control rings on the lens. This is great, because you can set them to, say for example, Zoom, focus, and iris. The big plus about this is that the iris control is so smooth that if you're gentle enough, your viewers won't even notice it. It's very nice, to say the least.
It's got two custom presets, as opposed to just one (if I recall correctly) on the FX1, and I've always liked the look of Canon's optics more than Sony. Sony seems to like to compensate for lest than true-to-life colors by slightly over-saturating the image. It makes it look very rich, but your color range isn't as great as Canons, and you can always adjust the saturation in post if you really want that look anyhow.
The one, relatively big, downside to the Canon is that it's slightly more expensive. At the time I'm writing this, B&H will sell the FX1 for right at $3000, where the XH-A1 is $3500. However, Canon is giving a $250 rebate on the camera, so ultimately it's $3250 for a camera that's newer, more powerful, and very user-customizable. If it were up to me, and I already had $3000 in my camcorder budget, I would probably hold off, save up the extra $500 ($250 of which I would get back in "4-6 weeks" or so they say) and get the Canon. But if you have a serious time crunch going against you and you need to get a camera before you have the extra cash stored up, the FX1 is still an awesome camera, and I would be very happy to own one.