150 ho vs. 150 magnum, ho has more power through diff. programming, and of course the lower restriction lower unit design(BULLET), 200reg vs. 200ho- 2.6liter on regular model vs. 3.3 liter on HO model more torque and horsepower and has the bullet lower unit with diff gears, 225reg vs 225HO-same block size just different EMM (computer), bullet lower unit and the hp of the 250 model, 248hp at the prop, and then now the new 3.4liter 250 ho 274hp, 300 torque, and the 300hp 3.4liter, only 25-30inch shaft….oh and the HOs have cool stars and stripes decals, which look very cool, 2008 IS GONNA TURN SOME HEADS BOTH IN PERFORMANCE BOATING AND THE EVER COMPETITIVE BASS CIRUITSYour Signature …