tips for interview preparation 3 years experience .Net developer

Hi all,
       am about to complete 3 years of Exp. in .Net development.
The technos. i have been working for almost 2.9 yrs are;
->.Net 3.5 and 2.0 (Web forms)
->Sql Server (Sps, Functions, Triggers, Views, Jobs, etc)
-> Html, Css, Javascript
-> 3 Layer Arch. Web app. Development

Since last 3 - 4 months i have been partially involved into Development into following technos.
-> WCF
-> MVC 3
-> Entity Framework
-> Azure.

My question is what will be expected from the Employer from mine. For my next job [Planned for interviews in next months]

thanks in advance