MCPD, 70-515

Just passed the 70-515 Test, with 871/1000. just spent the last 4 days to prepare this certification. here are some useful information,
  the test has 60 questions, most of them has a single answer choice. the rest are two choices.  need answer 70% of them correctly to pass the test, and you can take up to 140 Minutes to finish the test.

check the skills required, basically write some program and simple verification code to learn those new features,
http://www.microsoft.com/learning/en/us/exam.aspx?ID=70-515&locale=en-us#tab2

and if you have a lot 3.5 experience, just follow this link to refresh the new features offered by asp.net 4.0.
What’s new in asp.net 4.0

what’s New in asp.net MVC 2.0 ( no need to check the 3.0, it’s not covered in the test yet)

that’s it, good luck