I love Jazz basses - the looks and the sound. However, after owning a few, had to admit defeat. Like some of the other posters, I struggled with the neck profile (too small) and the tone - for some reason, I just sounded zingy!
I've also owned a lot more Rics. Now I am a single bass owner - 4003.
It sounds great in my hands, feels comfy (yes!), and no problems with the neck profile.
I can simply +1 many before me - some basses sound great in your hands, some don't - but always give it time before you rush and sell.