I did a Griffin 228 w/ 30 micron water separating element and settling bowl/drain as primary filter, and a CAT 1R-0750 as secondary filter. I don't worry bout nuthin, now.
If you're having fuel clouding issues, a bigger filter isn't going to help much, might take a little longer to clog but will still clog. There are filters with built in heaters you could use that might be some good, but I'd just run a shot of anti gel. This is what I use:
Diesel Fuel Supplement +Cetane Boost | Power Service