My ongoing experience with Windows Phone 7. To sum up: Better than I expected.
What I Like:
-Day 1 - text-to-speech search is just plain cool
-Day 1 - The UI is soo simple I think something is missing--but I can do a ton more than my old phone!
-Day 1 - Pinning important people on my home screen makes so much sense.
-Day 1 - Merging of Live, Exchange, Google, Facebook contacts & calendars just works too smooth!
-Day 1 - Single handed adding of appointments has me very impressed.
-Day 2 - Playing podcasts over the speaker phone keeps me legal in Pennsylvania ...
-Day 2 -My iPod nano uneeded.
-Day 3 - Speech Recognition surprises me again: Just say "call" and some phone #!
-Day 4 - Hey! Samsung Focus does tether! click here or click here
-Day 4 - Speech to text is better than I thot: You can say "Call xxx-xxxx" and it will dial any number.
Samsung Focs DOES Tether.
-Day 59 - Kindle for Windowsphone is Here. click here
-Day 9 - Would be nice if camera settings could be saved and screen tap would take picture.
-Day 9 - Would be nice if linkedin, twitter contacts could show in contact list. click here
-Day 23 - Would be nice if you could lock phone screen in portrait mode sometimes.
Features I would like:
-Day 3 - I wish phone could act as a Wifi Hotspot (helpful ATT lady said they will allow it ;-)
-Day 3 -
-Day 18 - Bluetooth keyboard connectivity. No support for it.
-Day 93 - Folder concept to organize apps and people.
-Day 93 - Internet Explorer - folder concept to organize web shortcuts!
-Day 93 - Synchronize Zune podcasts directly over the air without going through PC
Quotes of the Day:
-Day 3 - I showed my Samsung Focus to an iPhone toting IT guy I had a meeting with today. His comments "Wow, I like the calendar view...much nicer than my iPhone. A radio is built IN? Zune?! wow! xBOX!! WOW!"
-Day 3 - "Much lighter than my iPhone..."
-Day 24 - "Faster, easier, better UI, less screen touching to move around, better screen, better keyboard. Build quality might not be as good though..." --iPhone to Samsung Focus User
-Day 28 - "iPhone screen is much better than WindowsPhone. Much higher resolution and much brighter..." after holding iphone side by side with Samsung Focus: "[Silence...]"
Reviews I Thought Were Fair:
Also, a great place to get your beginner questions answered:
Windows Phone 7 Forum FAQ
Windows Phone 7 Forum
40 Best Apps (by Addictive Tips)
Even with all the limitations noted I need to admit it does that main things I wanted well. Perhaps not a power user phone--but then I didn't want to mess with my phone.