CLA for Konica Pearl III folder?

Hi,
I've bought a Konica Pearl III (645), but unfortunately the shutter is sticky, ie it often doesn't fire and sometimes stays open. It has a Seikosha MX shutter with helical unit focusing.
I can return it but I do like the camera so I am considering sending it for a CLA. I've never had one done, so I am wondering:

• what ballpark cost would a shutter CLA be (assuming nothing is broken and the shutter just needs cleaning)?
• do I need to find a repair person specifically for these cameras or could any repair shop do it?
• do you have any suggestions who I could contact in north america (I'm in Montreal)?

Thanks!
Gijsbert

PS Here is a picture of the camera:

And one for size reference:

Btw I love the GA645wi, the grip feels great and it's easy to use in landscape (ie rotated), the Pearl is almost too small in usage, but it takes a lot less space in bags!

I would contact Greg Weber to see what he says: http://www.webercamera.com/home.html

MattKing said:

I would contact Greg Weber to see what he says: http://www.webercamera.com/home.html

Click to expand...

Thanks, I've sent him email.