One of the problems with using the ADT Eclipse and its in built Emulator for android development is that its way too slow. But there is a solution.
the folks at genymotion.com have a much faster emulator for use with eclipse at its very simple to get to started, just go to their site and register and follow the instructions. The emulator that you install is at least 20 times faster and well worth the time to install and setup.
Full credit to idevzilla.com for their article: