Just got my New Hustler SWB and thought these pics would answer many questions you guys have. For what its worth I mow with doubles on this machine, my stock 48 and my Super 54. They all seem to cut as well as any other machines the guys are using here in New Jersey. The cut on all my machines are every bit as good as my friends two 52 inch lazer ZTRs. Im not trying say the Hustler WBs cut any better than the competition, but they dont seem to cut worse. I will admit they do clump a bit more in heavy wet conditions, but they also seem to cut better than other machines in drier conditions. One thing I realize is for any machine, its a poor test to compare the cut on a demo machine that probably has low rpm, improper deck leveling and unsharpened blades, to your personal machine that is setup just right with sharp blades. The reason I say this is cutting side by side against other machines, my machines cut easily hold there own. To continue, as Ultimate lawn states and I agree with, a 36 machine will and should clump less than a 48 or 54 machine because the grass has fewer chambers to pass through and less shear volume to exit the chute. Honestly, Ill be the first to admit my 54 clumps more than my 48 because the 54 is trying to pump more grass out the same size chute opening. However, with Hustlers high chute air velocity, they are very good at dispersing drier clippings and with doubles can easily cut and leaf blow a lawn in one operation. Also, with doubles the Hustler WBs easily clear the driveway or street of grass and debris clippings, with strength of a backpack blower.