Windows Phone Thoughts: Buttons Or No Buttons?

My Matrix Pro Smartphone has 2, my Touch Pro has 1, and my T-Mobile Dash has none. What am I referring to? Hardware buttons that can be mapped to different features on a device (as opposed to those which are fixed in function, such as keyboards, power buttons, softkeys, etc..). Five years ago, it was pretty common to have 3-4 buttons on a device that the user could map to. Now you're lucky if you get one. While in many ways better touchscreen response or a full keyboard has reduced some of the need for these buttons, there are times I just wish I had a few more. So what's your opinion - more hardware buttons or is 0 the magic number?

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