Snow Crash, this thread is great!! Thank you from all of us.
I have a question, I have sucessfully grown bagseed and I am choosing my first "paid for" genetics. My plan is to veg inside and then guerilla the clones in a few stealth and remote gardens.
I have the time and resources to visit the sites often if I need to. Which strains would you recommend for my experience level (newb) and my climate (north ontario).?
The funny thing is, this is not my thread

I hijacked the shit out of it!!!
There are a lot of people here who give good advice but I find it is just easier to stick to this thread because the Sick Plants forum can be a bummer to browse all the time. You are very welcome though. I'm not quite expert yet but as a reasonably intelligent, common sense, kind of grower with at least a few years of experience in both soil and hydro, with experience in methods... and having failed a few times in just about every way imaginable, I feel almost obligated to help people avoid my mistakes.
If only
that was human nature. Progressive.
So to the grow... Northern Ontario... DAMN!!! I hope we're not talking Polar Bear Park... Still though, speaking about location on the planet you're not any further North than Amsterdam.
What you should be looking for is a plant that flowers quick. After the solstice the amount of day light you get will start to get cut quick. You guys dip into like 8 hours (and less) of day light by mid-Autumn so you need to be harvesting end of September. Also, things to consider are elevation and temperatures. Plants that grow well outdoors in the "Dam" should do well for you.
http://www.cannabis-seeds-bank.co.uk/ carries hundreds (if not thousands) of breeds from dozens of breeders. BC Bud Depot is a new addition there and they carry many strains that succeed well in the colder climates, and the longer/shorter days of Canada.
So look for an indica strain. Probably pure indica, but something like Swiss Cheese might work well for you as well. I'd avoid Afghani strains and instead look for more of the Dutch Outdoor strains, or possibly something from Southern China like Yunan. Sagamartha Seeds Matanuska Tundra would probably do well up there.
I can't pick a single best strain for you. Big Bud has been EXTREMELY easy to grow for me, with the fat indica leaves, giant nugs, and quick flowering time. Northern Lights (#5 I think) is suited to cool outdoor climates as well, so that is another option. Stick with an indica and you should be good. Spring might come a little later this year than Normal (La Nina) so prepare to vegetate those plants indoor until as late as the earlier side of May before moving them outside.