Well I do like their dynamic in Salvage and Release, they worked well and kept each other in check. Faith does say Wes is looking good, but I don't see any sexual or romantic chemistry between the two of them. I'm not sure after what Faith did to Wes that he would ever want to be with her in an intimate way, even just as a one night stand. And I don't think Faith would have wanted it either. Now, I admit I am a bit biased cause I ship Fuffy and Fresley, but I still don't think anything would have happened, and can't now, cause he's dead. I will say that s4 Wes is pretty hot, and Faith is always hot, so I wouldn't have minded seeing them have a fling, I just don't believe it's in their characters to do so with each other.