I get the strawberries, the photo coupon, a welcome aboard letter with an offer for a free drink and a $5 chip.
Depending on play, I may get showered with assorted, pretty much useless crap.
Go ahead and fill out the sailing again form:
For membership number fill in 0s or 9s (I think it is 8, but whatever makes it happy).
You should receive and email back acknowledging.
It can't hurt and you can ein if you don't play!
As for the different levels.
and the always popular High Rollers