"Worth it" is relative and kind of a personal thing.
It does seem a little pricey for the size. But if you like it, and you want an interesting well made small knife, it's probably not a bad choice.
The reviews here and on Spyderco's site have been quite favorable from those who have one.
I picked up a Bi-fold for ~$90, and I'd be hard pressed to defend it being worth that to anyone, but I don't really regret it.
I'd probably prefer the Balance in CF, but I'm a sucker for CF.
I haven't handled the Balance, and I've got pretty big hands, so not sure how well it would "fit" me.