To keep pace with what a particular vendor is doing in terms of technology, a good way is to get on the company knowledge bases and support centres picking up documentation. Also look at various books being published on a subject ( though books tend to come out late)
When it comes to Microsoft, there are lot of titles that come out of Microsoft Press every month. To keep track of the new and upcoming titles (books) the place is HOP – Hot Off the Press. It can be visited at the following link::: http://www.microsoft.com/mspress/hop/
some really good titles in line….check them out !