Great. Drawbacks:
a) HAART is very expensive.
b) HIV can evolve resistant strains, which means that the retrovirus drug (& the other drugs) must be updated constantly.
But I think these problems could be solved in the near future. At the moment people with money have managed to get rid of HIV because of intensive treatment so that's a positive sign.
Anyway, I think scientists will find a vaccine that will prevent HIV in some years, despite its rapid genetic mutations, thanks to its protein coat. I have faith in science!