2 Account Adsense in 1 page

Officially announced by google adsense, in that 1 page may be inserting ads from a different account 2. So if you want to share with your friends, or have a blog that managed together, each may install the number of ads with the provisions remain appropriate, namely 2 AdSense for search, 3 link units, and 3 ads unit in 1 pages.

Optimization for ads ad position or the position is good, see suggestions from google and Blogtimize - Optimize the ads on your blog