I've been assigned to usability test a portal. Unfortunately I can only test the portal based on Usability heuristics at the moment. (And only SOME pages of the portal)
To my surprise, the portal lack basic usability principle such as a hover effect/mouse-over effect.
The graphic designer and I both mentioned this to the rest of the team (programmer, business expert and the project leader)
This article shows you how to make lists of links easier to scan. It's something that IXDA does very well, but could be helpful for other sites.
How to Make Lists of Links Easier to Scan