tedster - 10:10 pm on Mar 16, 2011 (gmt 0)

To my thinking technical issues are a whole other category of SEO compared to the guidelines about what gets penalized. You can have major problems with rankings from technical errors, but it's not a penalty - no demotion is involved and there's no "black mark" on your record. It's more about missed opportunity, diluting link equity and things like that,