Wanted: Guinness Stout clone

So I've been looking for Guinness clone recipes, and am finding a lot of "like Guinness, but different in a slew of ways" hits

Does anyone that reads my blog have any idea what it is that gives Guinnes that amazing head, that.. ah hell, don't know how to describe it.. it's this:


Also, what is it that gives it that mouth feel, kinda like whole milk?

Still figuring out this brewing thing- lots of new things to learn, lots of new beer to try.

Since I've picked up brewing, I haven't looked at beer the same. Now it's more an intellectual pursuit, not just pursuit of a good buzz.