Both Nowhere (MADLAX) and Mezame (Mai Hime) are better than Salva Nos IMHO, but that might just be because Salva Nos was played ever. Single. God. Damned. Episode. until it just stopped affecting me.
On a related note, when will Yuki Kajiura get her goddamned groove back already? El Cazador de la Bruja's score was almost unmitigated shit (much like the rest of the show), and I haven't heard anything from her since.