Eamon Barker posted a list of what he uses for SharePoint development, posted here. I use all of the products that he uses with the exception of Fiddler (a free HTTP debugger), which I just downloaded and it looks very useful. So, one thanks Eamon for your post and the heads-up on Fiddler (Click here to download it).
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Here’s a snapshot of Eamon’s list, click on it to go to his blog.
Enjoy,
~ Robert Shelton