Wanted to share you results after certification on 70-243 :System center 2012 Configuration manager. If you are enough confident on CM07,you feel this exam is Easy.
Below are some of the references that might help you to get certified on 70-243:
Skills Measured & Syllabus :http://www.microsoft.com/learning/en/us/exam.aspx?id=70-243#tab2
Do you want to pass Exam 70-243? Here are some good tips.: http://blogs.technet.com/b/smartinez/archive/2012/02/21/do-you-want-to-pass-exam-70-243-here-are-some-good-tips.aspx
TechNet Virtual Labs http://technet.microsoft.com/en-us/virtuallabs/bb467605.aspx
And your hands on Experience(Lab or production) environment J