Have been reading some older posts about the Ferris suspension and wanted to get some current opinions of the IS1000Z. Does the front suspension help very much or do you really need the rear suspension to feel a difference? Also, my dealer tells me that Ferris doesn't have a mulch kit for grass, only one for leaves that doesn't do a very good job on grass. Has Ferris come out with a good mulch kit for grass? Thanks to all, Joel B.