couple sites say the 8" will do 56 holes through 24" of ice. Reeds has the 10" through amazon for 581 with free shipping
my 10" magnum chipper with solo engine weighs 28 pounds. I got it in either 2009 or 10. I should probably touch up the blade, but it cuts about as well as when new.
As much trouble as blades are with sand, rocks, alignment etc... I decided the chipper was one less headache. I was right. Isn't the fastest, but it never fails.