GAH I can't decide if I want to upgrade or not, or what to upgrade to! I guess we shall see if this turboXS holds up under my boost requirement next month....
The only input I have on that is that those designs that have a brass piston sliding on Aluminum are notorious for galling and sticking. So you have to service and relube them often. After a while, you wear off enough material that there's slop in the piston movement.
There's always a good home for your old BOV, eBay(hump)