Hi Justin,
The beauty of tunable is dealing with changes in humidity which will affect the tension of the skin, plus being able to adjust the pitch to fit with music being played and your own style - as you delevop it.
A quick look on the net shows a tunable bodhran starting at $98 through to $475 at Lark in the Morning, but I can't comment on the quality. I think the Claddagh Bodhran may be a Vignoles model, though only by virtue of the name.
As you may have seen in earlier postings I have an 18" Padraig McNeela tunable and I've recently bought a n 18" double skin tunable from Micheal Vignoles. I visited Michael's workshop in Galway. His son Paul built the drum (based on the Tunable Claddagh Angler model) for me in time for a gig on Paddy's Night. Michael Vignoles has what he calls a budget Tunable for $195. If you can afford this, I can certainly vouch for the quality of his products. http://www.irelandwoodcrafts.com
I'm not sure how much the McNeela unit is now, maybe an enquiry to Custy's (http://www.custysmusic.com), it's where I got mine from or http://www.essaness.com. It is a heavier unit than the Vignoles, with a much thicker skin. They both have individual sounds, the McNeela sounds good , but to me, but not quite a sweet as the Vignoles.
If your serious about continuing to play, go for the best you can afford. Hope this helps. Happy hunting and keep the forum posted on your eventual purchase.
Cheers!
Life's one big song book - we just sing to different tunes at the same time!