I came from a Storm 1, and I can say with no hesitation the Droid beats the S1 into submission for my purposes.
- I have two gmail accounts that I access as two separate inboxes, and so far email sent to either account has been instantly received on the Droid. I appreciate the tight integration with gmail (labels, stars, etc.). Furthermore, I appreciate that I can directly access my entire inbox on either account, rather than having incoming mail copied to my device as with the BB.
- I no longer have to pay attention to my available memory when installing apps, or just using the device. Gone are the days of weighing the benefits of installing a "massive" 800k app.
- The Android Market runs considerable faster than the BB App World, is better laid out, and has a vastly better selection of apps I actually want to use. Additionally, apps tend to be free or at least cheaper compared to BB.
- The Droid browser is faster, renders pages more accurately, and supports multiple windows. The higher resolution screen means you can view most web pages in landscape without zooming in (the text is small, but I haven't found myself straining to read it). If you can view it on your computer, odds are you can view it on your Droid.
- The Droid doesn't have any BIS limitations. No more truncated emails, download size limitations, and slow data rates due to having your internet connection funneled through BIS. I can download a 50MB podcast directly to the Droid and read an entire HTML email now!
- I have not tried any non-gmail accounts (because I don't have any), so I can't comment on their functionality.
- Camera functionality is not a high priority to me. I've yet to actually try to take a real picture with the camera, but it does work acceptably well with the barcode scanning app I tried (shopsavvy). It looks like the focusing problems will be fixed with the Dec 11 update.
- The physical keyboard seems to be a like it or hate it preference. I like having it as an option.