WHEW!! I did it! All 519 pages. I got through about 300 before I ordered mine. It showed up a few days ago and have been listening to it while reading.
I am very happy. I opened the box, charged it, upgraded the firmware, removed the mSD card from my Rockboxed Clip Zip, installed it in the X3, updated library manually and after about 15 minutes was listening to music with no problems. I have a folder containing all my favorite music in mp3 that I mostly listen to on random. Then I have about 20 folders with Flac albums that are played gapless as they are either Floyd or Alan Parsons etc that require gapless, or live albums.
Again (knocks on wood) no probs so far.
I do not mind the interface at all. I've moved through Rio's and Creative Zen's, an iPod touch 3g, and my Clip Zip. I grew tired of Apple not letting me do things the way I wanted, and this interface works for me.
So to sum up, another satisfied Fiio customer.