Scots Pine.

This has proved to be a popular new variety. A good supply available this year. Hardy with strong branching. Popular in both the U.S. and Canada.
 
Typical pricing:
 
1.25 to 1.5m (5-6ft)            $40
1.5 to 1.75m (6-7ft)            $50
1.75 to 2.0m (7-8ft)            $60
(The one shown is still producing its new spring growth)