I've never heard them myself, but here you can read user reviews, for whatever that's worth to you.

http://www.audioreview.com/searchresultsnonsdccrx.aspx?searchterm=swan&categoryid=1594

I personally have been dying to audition these. The use a lot of the same drivers as Totem speakers, and I quite like those. They also have a very nice look to them, and I have heard good things about them in the past. I'm still looking for a Montreal dealer.

I have also found this comparison on another forum:

http://www.avsforum.com/avs-vb/archive/index.php/t-636740.html