2008 Wakesetters are notorious for problems(Our boat has bad MUX switches, cracking fiberglass and bad tranny mounts). Although, the problems were specific to MUX switches, JBL Stereo units, ECM programming, etc.. If you check out other websites you'll find a substantial list.
Id try calling another dealer till you find one thats useful. It may still be on warranty, but probably not, most of the boats only 3-5 unless you got the extended. Malibu themselves can take a lifetime to respond.
Skiing behind an LSV though? That takes guts.