Tesla has released their shareholder statement for Q2 2011, and while it doesn’t make for the most exciting reading, it’s at least full of fairly good news. They’ve been on cruise control for quite a while now, if you will, designing and testing their Model S sedan, but there are plenty of pitfalls that could have afflicted the process, techniques and technologies that could have failed to pan out, and cost overruns that could have piled up. But no, things are going as expected and barring any major upsets, they should have the Model S rolling out in mid-2012 as planned.Here are a few Q2 takeaways from the letter.