I am really wanting to get into fretless playing and am most inspired by Mick Karn's total mastery of the instrument. I know a good part of his tone comes from his Wal Bass, and would love to buy a fretless Wal, but unfortunately my bank account can't afford a $4500 or more hit. I understand a fretless Jazz bass will get me Jaco tone all day, but will not get the distinctive humbucker tone Mick had from his Wal. So what is my best option to get there with around $1400? A fretless stingray? an old Ibanez fretless? or something else entirely?