Fantasy Flight Games has posted the rules for BattleLore 2nd edition up on their website for you to go check out.
From the website:
The Secrets of Battle
If you still have questions about gameplay in BattleLore Second Edition, look no further. The rules for BattleLore are now available for download (pdf, 10.2 MB) on the support page. The intense fantasy battles of BattleLore will soon be available! Become the commander of a fantasy army, and preorder your copy of BattleLore Second Edition today.