Good Pilates dvd for the relief of chronic lower and upper back pain?

I've suffered with back pain for six months now, and after having numerous physiotherapy treatments, I've now been referred to podiartry. I've heard Pilates can help people in my position and just wondered if anyone knew of a good pilates dvd to tackle back pain.

If anyone has tried and tested any Pilates dvd please let me know, I'm desperate for some relief! Thanks.