I love deep throat, but can't really say I know any with very big boobs. Deep throat for me is where they gag and hold it down for a least 30 seconds. Tonsil splitting in the extreme.
I do like them in their twenties and drop dead gorgeous, so the list reduces slightly.
If I find one, I fancy bouncing on her tits whilst I thrust it in. I remember Molly at CI, a couple of years ago was good, but not sure what happened to her.