B,

I would check with your local pro, a lot of the times they have these items and if you ask nicely they might let you give it a go before you purchase one. I would also recommend having a session with your pro, tell them exactly what your issue is and they get you on the right track. All the pro's I have come in contact with are pretty good at listing to your concerns/issues and won't try to change your entire swing, just focus on the part you want to improve. Just a thought.

Cheers,
Scott