We're not planning a conference for this year, but there are a number of places where we'll be showing up. You can see a full list here: http://pkp.sfu.ca/pkp-workshops
Please, feel free to contact any of the respective presenters for more information.
Regarding local user groups: to my knowledge there have been none started up so far, although Kevin has mentioned that on a recent trip to Australia he encountered users there interested in starting one up. As far as we're concerned, the more community involvement the better, especially when it comes to modifications, add-ons, and the like. If you have any further ideas on approaching this, for Vancouver specifically or anywhere in general, I'd love to hear them.