1) Made the left hand navigation slightly grey to offset so much white.
2) Made the list of articles have less padding (more "compact", less "bloaty" :) )
3) Removed the "Home", "All Items" and "Explore" links (I never use them and just wanted it clean)
Screenshot (Before): http://cl.ly/083j2i3i0o2r1r2W3e1C
Screenshot (After): http://cl.ly/0s0g2X1r0T1U3V2q1b2Z
Shame a CSS hack can't get the sharing features back!