I agree the lounge is relatively unimpressive, and my hope is that if (and arguably when) MU joins oneWorld that there will be a big upgrade in lounge facilities. At the very least I do not understand why they won't just make the lounge there an AC and then allow PLATS/EXPs in Y and AC members to use it.
On another note, a good report by PresRDC on the PVG service is linked below.
http://flyertalk.com/forum/showthrea...light=shanghai