Cary,
I have a set of Michelin LTX 195/75xR14 M/S tires on my syncro.  I
like the way they perform on dry pavement - good grip and not too
noisy.  These are Light Truck tires with stiffer sidewalls than are
found on passenger car tires.  They are load range C and are rated
1435lbs. @ 50 lbs/sq.in.  I haven't had the chance to try them in mud
or snow as yet, but I've had good luck with Michelin M/S tires on
other vehicles.
You might want to check out Yokohama light truck tires of the same
size.  I understand they are load range D and rated 1750lbs.@
65lbs/sq.in. Don't know if they are M/S or not.  Not sure these are
available here in the States - they may be a Canada only item