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:
 
1.5 to 1.8m (5-6ft)            $50
1.8 to 2.1m (6-7ft)            $60
2.1 to 2.4m (7-8ft)            $70