As a BA Gold with a good chance of ending up in CW (I would say 30% is about right with it rising to more than that as a GGL) I would ALWAYS choose WT+ over VS PE.

There really isn't that much difference to justify losing the Avios and TPs in my opinion.

That said, as a lowly VS red card holder I flew PE returns at least twice every year in the mid 00s, and EVERY time but one I ended up in Upper