Thank you for your responses guys. 

Jerry, Roxy's regular vet spent quite a bit of time with her yesterday walking her around and doing a complete physical.  We tried gabapentin and she's on tramadol.  Her only other suggestion was to try a different pain med, just to help her cope.  I think she's moving more toward the end of life care, which may very well be necessary.  But I'm not giving up yet.  She said from a western medicine perspective she didn't think there was anything else she could do.  But she acknowledged that the acupuncturist may be able to do more.

Paula and Karen, I have decided to try the chiropractic route if her acupuncturist thinks its a good idea.  We talked about this option when I first started taking her to the acupuncturist, Dr. Lanz.  Dr. Lanz said she has a chiropractic colleague that we could bring into our appointments.  I've emailed her to see if she still thinks this is a good idea. 

Karen, Roxy's right back leg is slightly knuckling over every now and then, not every single step.  The main thing is her stance is extra wide now and she seems to have gotten pretty week in her hind end.  She won't do steps anymore and can't spend much time standing up.  Dr. Lanz showed me the points on her back feet to work with to try to improve the situation.  I've been working on those.  It's encouraging to know it helped Tani.  I've also been doing some strength exercises, getting her to sit and stand.  Her regular vet, Dr. Hollis, didn't give it any certain name, she just said that back right leg is definitely experiencing a neurological deficit.  she's not sure if it's primary or secondary.  I'm hoping for secondary since it sounds like maybe that's the lesser of two evils.  Dr. Lanz told me a couple weeks ago she's had some positive results with helping even paralyzed dogs get some of their feeling back in the hind end, depending on cause and how long it had been going on.  So I'm hopeful that she may be able to help my Rox.  I asked Dr. Hollis if it was cruel to keep Roxy alive at this point, and she agreed it's not, that Rox is still enjoying life.  My fear is causing her undue suffering for my own selfish reasons. 

Oh the things we do for our pups.  My first goal is to make sure she has the life she deserves, nothing less.  My second is to make sure I have no regrets when her time is up.  That's the reason I'm trying so much.  Regrets would bury me right along with her. 

I will try to keep you guys updated over the weeks. 

Leslie