+1 to Mikes comments...
My trailer is almost perfect (as I ordered it) - galvanized, gatorhyde, alloy wheels, alloy spare, tandem, 4 wheel override discs etc. Just a few comments/suggestions:
- Mine came with LED lights (had to be changed to meet Australian registration requirements), but a must have
- Fix the brake lines to the axles with zip locks etc. - needed on mine to meet local registration requirements
- All hardware and fixings need to be stainless
- Need rubber caps on the brake bleeders - in salt water the damned things corrode and you have to remove the bleeders and clean them before you can even contemplate bleeding the brakes
- Stopping power of four wheel discs is pretty ordinary unless an emergency, then they only work OK. 2 wheel disc version brakes worked much, much better. Seems they use the same size master cylinder for 2 & 4 wheel brakes, but 4 wheel require much more volume to be moved to actuate. On my 'to-do' list for the future!
Overall,
Very happy with my box section galvanized trailer! C-section is too flexible IMHO and will twist. I tow quite long distances sometimes (1000 mile round trips) often on crappy third-rate coastal roads and do not have a single complaint about how it has performed to date.
I powerload my boat all the time (concrete ramps everywhere I have been - must be lucky I guess) so never have an issue with bunk friction, winches, side bunks etc.

Edit: Oh yes, the tongue jack rattles like hell when towing (not exclusive to FW trailers). I fixed it by tying it to the chassis rail with a rubber shock cord, but there must be a better way!