I've been using the SP+ for two seasons and it's been fine so far.
Mine is installed on a 28ft Marinette and it's right at it's capacity
limit. So you should be fine with the 18ft.
Donn.

On Thu, 15 Apr 2004 22:50:33 GMT, "FMV" wrote:

would like to get one for my 18ft SeRay LAgunA center console fishing boat
but interested in hearing from owners of this unit.
Thanks,
Fred