neathneathneath wrote: » I thought it was pretty tough but not as hard as say the 291. The exam seemed to be similar to the 291 with 70-640 stuff thrown in plus all the new features that server 2008 brings. I took a risk on doing the 648 rather than the 640/642 route and it paid off - preferred to do one exam rather than two. (had second shot on it but did not need it, thankfully)