Entry Site Section as segment attribute

Given how usefult he site sections report is, It owuld be great to be able to make a segment based on the "Entry Site Section" in Site Catalyst and Datawarehouse. This would allow us to look at the most useful entry points to the site, ang isolate them. It would also be great to have the logical extension to this

• Entry Site Section available as a breakdown in Datawarehouse
• Conversion variables available in the Entry Site sections report