Just thought I'd throw in that the site is working great right now. Just moved my list from excel to there.
Great interface, very easy to use, great tutorial (although its intuitive enough that it isn't really necessary.
Here's my list:
It's just a basic 3-ish season list, more toward summer. Most important improvement would be to replace the old school sleeping bag with something lighter and less dead, definitely going to a top bag or quilt. Really like the Rab AR (and it's pretty cheap). Might go the MYOG route on a quilt.
While this list isn't 'geared' toward a particular destination, feedback always welcome.
Check out the site if you haven't yet!