jimbeetle - 7:17 pm on Sep 6, 2012 (gmt 0)
I haven't actually cosidered on page stuff too much
You should. Google specifically highlighted keyword stuffing and unnatural *outgoing* links as examples.
I am also nervous about this new Google patent
The patent was granted in August but filed in January 2010 so, if in use, its effects have been seen for at least 2 1/2 years. There's quite a few threads about bouncing around the SERPs that make many people at least suspect that.