There has been a lot of buzz lately about WS-Addressing ERPs, the reference parameters, and how resources should be identified. Jim wrote about it a couple of days ago. I agree with Jim. I too was against reference properties/parameters but in favour of WS-Addressing (btw... this was and is my personal view and not my current or previous employer's!!!).
Since the discussions in the WebArch TAG mention WSRF, I think it's appropriate to remind everyone that WS-Resource specification is at its second public review stage. If you have any issues with WSRF, now it's time to speak :-)
Thanks to Mark McKeown for the link to the public review spec