Well forereaching at 5 knots isn't going to leave you in your "slick" for any length of time. (to bad there isn't multiquote here). If you're not behind the slick it'll do no good.
I'd be curious as to how well fin keeled boats of various keel chord ratios behave under wave impact- intuitively, you'd think that having a small longitudinal plane would make the boat more suseptable to wave motion when heaved-to.
"Never attribute to malice that which can be adequately explained by stupidity." - Robert A.Heinlein