[Dave Paine]

A low angle plane can be easily configured as low cutting angle or high cutting angle. Just change the blade for one with a higher angle bevel.

Lee Valley sell blades for their low angle planes with up to 50 deg bevel, which makes a combined 62 deg cutting angle

http://www.leevalley.com/US/Wood/page.aspx?p=45864&cat=1,41182,52515