http://www.dakkadakka.com/dakkaforum/posts/list/7.page JForum - http://www.jforum.net
I checked Maelstrom and Wayland but prices are about the same as buying in a local store.
Also checked The Warstore, but shipping is just stupid for Canada.

Thanks]]> http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3423239.page http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3423239.page GMT
Everything is 25% off of retail. They have a large selection of PP stock, and offer free shipping for orders over $99. ]]> http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3423334.page http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3423334.page GMT http://www.wargamerscave.com).
He's got a web site and a B&M store.

He is an online trader and gamer (read: small guy) who followed "the dream" and opened a store.

Eric
]]> http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3436211.page http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3436211.page GMT
www.thewarstore.com
www.miniaturemarket.com
www.coolstuffinc.com

Honestly, I don't think you can go wrong with any of these three. I tend to use Coolstuffinc the most because I usually do trade ins with them.]]> http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3445398.page http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3445398.page GMT uk are okay
The stuff is slightly cheaper, with no post costs]]> http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3445706.page http://www.dakkadakka.com/dakkaforum/posts/preList/402799/3445706.page GMT