Well, after a lot of shopping around and handling a ton of knives (I was torn between a vantage large of some sort and a spyderco delica) I ended up finding a shop with both the spyderco line and a nice assortment of the buck vantages. I handled them all for a while and ended up going with the buck vantage avid small; I thought the small would be way too small for my tastes, but found it to be a perfect size for EDC. So far I'm really loving this knife!
As for the usual buck vantage complaints, the blade is perfectly centered & the lock up is amazingly solid both vertically and horizontally, but the lock up is definitely later than I'd like (started around center when I bought it, but after some use it seems to have settled at about 85-95%. I am not concerned about safety, but am hoping it doesn't develop a bunch of blade play in the future).