To answer a couple questions...

Jim - Haven't noticed any difference but then again I don't usually suck debrise up. I am KEENLY aware of one thing though. If I do suck debris up I am going to to be VERY carefull removing it - as I said it's a knife edge on the trailing edge.

Centerpin - I'll get pics. I'll have to remove a plate or two to get pics. It'll have to wait a couple days.
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Mark Strand
aka - TC