Rudy? Shame on you.
For the record, having assiduously skimmed through this thread, I refuse to leave it without reckoning up my budget fretless:
Squier Affinity P-bass, used: about $100
Mighty Mite Unlined fretless neck - about $80 shipped on evilbay.
Webstrings flatwounds - about $15
$200 and my best at-home setup yielded a decent-playing fretless with one exception -- nut was too high.
$40 with the local luthier yielded a re-shaped nut and tweaks to the neck and bridge -- very low action and even some "mwah" when I want it, depending on amp settings and the touch I use. (Keep in mind this is a single "P" pickup with flats.) Though, I've recently discovered, it can be wicked "vintage barky," too.
As was pointed out to me earlier, for the eventual price, there are a few other fretless basses available for purchase, some with more appealing features than the Squier. But... it's working for me so far, and it's well set-up.
I've recently purchased a Bill Lawrence P-46 pickup (haven't received it yet), which puts me right about at $300 total with this bass. Not what I envisioned when I grabbed it for $100 in its original incarnation, but if the P-46 does what I think it will, I'll have a very gig-able, playable (if not very high-end) instrument for that price. Which isn't bad.