Yeah, as it said it's for very few people.
Basically they would have to irradiate you so all your bone marrow dies (can be lethal), then you have to survive the surgery and transplanted marrow (can be lethal).
Only a good option for those with leukemia and HIV.
Most of the conventional stuff is looking at stemming the virus itself -- binding, entry, reverse transcription, viral envelope processing, etc. I suppose it would be a decent idea to investigate possibly gene therapy.. although gene therapy itself has proven so far to be a failure.