We have discussed this many times, and consider ourselves open to this type of relationship. Poly vs. swinger with friends would be two different worlds.
We don't envolve our immediate finanacial and home concerns with the close swinger friends that we have. Having an exclusive relationship, is about restricting activities and emotions to one other coulple who don't reside together.
However, to us a Poly relationship is about combining our households, parental, and financial responsibilities. Thus, the first concern, how do we find a couple that wishes to live and love in the same home. We discussed the sharing of bedroom and decided we would need a bigger bed, maybe to kings put together to sleep all in.
Bunny