More of exactly what you're doing.  
doing more of what you are doing 
talking about what you actually do
useful jokes 
posting even more
doing more
silverlight  
silverlight, vs extensibility 
silverlight combined with VS2008 
Some silverlight 2 stuff.  
More stuff on parallel framework/concurrent progra 
vs2008  
linq
more how to, mainly using different managed stuff from cf.net
focus more on netcf again :) 
more mobile on CF
More mobile (NETCF) news 
Writing more books - 'Windows mobile development handbook' is GREAT!
something on wcf/wpf :)
XAML samples
Design patterns
f#?
WCF
web services, wcf, wpf
Doing more c++ dev from a c# developers POV. How to migrate, little code snippets and equivalents
focusing on newer technologies (WPF) 
VSX please, no one is doing enough VSX    
Some more pure Win32, or COM functionality -- but only if it interests you!  
Office .Net integration. What about .net security e.g. code protection and the licensing of modules/dlls for example.  
Biztalk , Workflow , MOSS 
covering WCF + WF and also ADO.NET, in conceptual and approachable bits targeted at developers already (moderately) versed in WPF, LINQ, C# 3.0 and .NET 3.5 in general
Focusing more on threading/distributed progrmming, perhaps from a functional point of view.  
Threading
TDD development & examples 
Some in depth stuff on software engineering in .net. e.g. Service architecture (SOSE). 
more indepth reviews of the .net framework case studies/ examples of innovative new uses around the web 3rd party libraries with examples...
Deployment issues  
Looking at design patterns that may help the beginner coder  
building an app using latest tech. mobi and desk 
Perhaps expand on code examples.  Unit testing articles?
a Question of the Week thing?
a code library?
Non advanced codes
Step by step introduction to EF (your EF series was not so step by step)  
to do more for beginners :D 
More best practices...
getting more microsoft inside info, hints, tips
stuff coming out too. 
The next big thing :)  
.NET 4.0  
enabling comments 
Allowing comments on your blog 
Allowing comments on your blog, then you wouldn't need this survey. You would know the type of people that suscribe to your blog.
open up discussions (post a problem for opinions)