I like FFX more than I let on sometimes. It's all right in spots, but it is one of the worst FF titles.
Personally though, the art style never sat well with me. It's not really bad on any technical level and the graphics themselves are well done for the time (except the few times they decided to use really awful, low res pre-rendered backgrounds for no reason at all), but the art doesn't hit the spot for me. If I liked MMO's and wanted one based on a single player FF title, I'd probably go with something like FFXII, or one of the earlier FF's like the SNES games. I feel like a modern re-interpretation of VI's world could have some interesting places to visit/revisit.