PS Audio M700s or older Bryston 4bsst / 4bsst2 ?


Bryston products have a huge following and seem to hold their own through the years.  I currently have the PS Audio M700s and love them to death but got curious about some of the older Bryston products.  I wonder if they're worth exploring being so old.  Any thoughts on these two?  They would be driving two different systems.  One is with the Klipschorn and the other is Wilson Watt Puppy 5.1.. Two very different animals I know.  
dtximages
I think it really depends on the vintage of the Brystons but rest assured that at sometime either sooner or later they will need recapped and that will be quite expensive.
There must be someone you can borrow an amp from. I recently compared the Belles MB200 monoblocks to the PS M700 monoblocks and found the M700' to be superior in everything but giving off heat. I liked the Belles, but the PS had more dynamics and details.