Paul,
I bought new 96-341 blades from Mowpart.com thinking I was getting the 90-464. The 90-464 are currently on the machine. When I went back and looked on the web site I came up with the two pages you linked to. The only difference I can find is the 3-in-1 blades are $1.20 cheaper. The generic description on both pages say the 3-in1 blades are supposed to be the best then why are they cheaper, that doesn't make sence.
These are going on a Ferris Procut 32.