Having recently purchased this engine ES44AC from MTH.
http://mthtrains.com/content/30-20172-1
The store purchased this one before the dollar went down ... if it had been a new arrival, it would be about 80$ more.
I find myself looking more at stock that was purchased before our dollar took a dive.
Canadian stores mostly sell new stock items at MSRP and add about 27% these days for the exchange.
On the flip side you guys in the US can buy up here and get a huge savings because of this.
In my past visits to the US I noticed that many LHS's sell at MSRP so if you can find items up here that were purchased 6 months ago, your dollar will get you about 25% off MSRP.
Last summer I was buying a Fastrack 30" straight for about 15$ ... now it's 20$. When I started building my new layout last xmas it was about 13$ ...