Notepad is equivalent to a "rock and a chisel". Almost as bad as Vi on UNIX.

Give KEDIT (http://www.kedit.com/) a try. It's a general purpose text editor for all sorts of file types that I've been using for years. Supports macros, column editing (one of my favorite features), is fast, can handle large files, low memory footprint, etc. etc. While it doesn't have IntelliSense, it can be configured to understand the nuances of each language (color coding, comments, matching parens, braces, etc.).

Best feature of all: It runs under a portable license. So buy your own copy and use it at work.

Evaluation copies are available at their web site.