always wanted a fretless base :) my choice stopped at this Ibanez model, because it has active circuit + piezo pickup, which for me is a perfect combination. when blending piezo to neck pickup it sounds really amazing.
build quality is good in general. center block(i mean the block that is actually a neck which goes through) on the body is slightly off-centered near neck pickup area. it's not a problem for me, though, perfectionists should be aware :)
factory setup is ~ok. E and A strings were a bit buzzy near 1 and 11-14 frets, fixed that by re-adjusting truss-rod, string height and intonation.
overall - very good instrument. sounds nice - full, warm and a bit double-base like. weight is also an advantage, it's less heavy than average jazz bass.