Hi gvenu,
i remember listening to these very same speakers at Siva's home. IIRC, they had 18W/8545 scanspeak midwoofers and d2905 scanspeak tweeters. Superb speakers these! very controlled (and lush) delivery of the frequency spectrum. I also remember talking about the rethms with siva, and recall him saying that the rethms had a very forward (vocal and midrange) presentation unlike the speakers we had just heard. I have heard the proac quite a few years after bangalore, and remember thinking that siva's speakers sounded quite a bit like the ProAc.
i can imagine that (with the corrson PM1 and AM1) the listening experience should be unique, and that you spend quite a lot of time acquiring music to "test" your system.
looking at the picture of your room, i can see large glass windows and a glass-fronted book cabinet to the right of the listening position. I had similar windows (not as large) and a glass-fronted wall cabinet, both of which had unpleasant resonances with the lower frequencies. Of late, i listen in a room in which i have taken care not to allow this interference
I would like to listen to your system someday.