I went to my dealer last week to talk about my Z and to ask if Ferris has a new deck design. After a few phone calls to Ferris, there answer was yes a new deck is coming out in 2010. I as most Ferris Z owners know that the deck likes to clump alot. So the head Tech at Ferris told my dealer to order "corner blades" has anyone ever heard of or used "corner blades" before. Even my dealer that has been a mower mechanic for 30 years has never heard of these blades. any help would be much appreciated..