From what I have seen in the first hundred hours of sim and SDK, I can see that this is an entirely different animal than everything that went before it.
There are many, many subtle differences in the way LM has constructed their architecture. After reading these articles and posts, I will be proceeding forward with due diligence.
The basic tools and skills are the same, but the SDK cannot be used as it has been previously. Looks like there is a ton to learn.
I put a lot of hours in previously, learning the basics of 64 bit. All of my projects are transitioning nicely, but will still be gone over with a fine tooth comb.
IMHO