http://www.thisisbroken.com/b/2006/11/furreal_friends.html

PageRank

Google’s two conflicting goals

URL canonicalization

No structured training?

Blackhat SEO works

People get duped by so-called expert SEOs

One man shops rely too much on one man

hard to brag in SEO

free software, many broken, not integrated, not easy to use (not trying to self-promote, but this is a very real thing and a reason we started SoloSEO)

disconnect between designers and SEO (splash pages, flash)