I have my green Overwater Jazz for sale at the moment - not because it isn't a great bass, if anything the opposite - it plays fantastic with a huge usable tonal package. The reason for sale is that I, like many others here, have too many basses most of which don't get used.
After selling it several years ago I suffered with Sellers Remorse, when the buyer, @claustra, put it back up for sale I snapped it up, but it has pretty much lived in it's case since. If you look at my for sale thread you'll see that he even reconsidered buying it back again.
When I put it up for sale again, the original owner/ commissioner of the bass got in contact committing to buy it back once they'd sold their current bass. Several weeks later they got in contact to say, despite really wanting the bass back, they were now in the market for a 5/6 string bass, and pulled out.
So nobody who has owned the Overwater has been disappointed by it - if I was using it regularly I'd definitely keep it - cos I'm not, I'm giving somebody else the opportunity to put it to good use.
It's as good as any of the many other "Super Jazzes" out there, it'll do everything you ask of it - super punchy, super build quality and plays like a dream.
I often question why they're not held it more esteem.