Software architecture has become one of the hottest topic in last year or so. I also moved into software architecture role at the start of last year. It is very different world but very interesting as you get to deal with the problems first up and come up with a solution that is always best for business and not necessarily always best technical solution.
Here are couple of really good articles which highlight some of the challenges that are faced with architects
The Hidden Roles of Software Architects
Thoughts on being a Solution Architect