Just been looking at the specs of the 22B and WOW!! Slightly more powerful (290bhp) than the latest UK STi (remember they are now 2.5L) and are 2.2L rather than 2.0L. The P1 is less powerful (280bhp) but has a faster 0 to 60 time.

Specs here:
http://www.conceptcarz.com/vehicle/z1204/default.aspx
http://www.conceptcarz.com/vehicle/z1205/default.aspx

Dave