Is there any sort of plug-in or tool available for Visual Studio 2008 to alphabetize methods? Ideally I'd like a tool that will alphabetize a selection, or specified type (i.e. only methods, not member variables), either automatically or on-demand.
While Resharper has many cool features it has a large impact in CPU and I/O usage and can be very complicated to use. It is also only available under commercial licensing unless you qualify for a few very specific free use licenses.
Try CodeMaid. It is free for commercial use and has a much lower performance overhead. I find it easy to use and it is very good for alphabetizing methods.
To sort your file, open the file via solution explorer:
Reorganize Active Document
Alternatively, using the default CodeMaid hotkeys CTRL+M,Z to sort your active file.