I don't know if tehy will release an audio driver, but if you update teh driver through windows it should find a generic one that will work. For the ME, i don't think there is much you can do. Regarding the BIOS beiong unstable, have you tried any of teh previous ones, i am sure there willbe some that are completly stable.
For the ME, can you try this?
Use this driver:
Now for the audio, i dont think there will be any new audio driver since it is not on the tested OS list.
All the best,