I'm surprised you didn't mention City Lens. I loved that while I had it. Nokia Music is also really nice. I agree that the Windows Phone 8 OS is quite nice. My problems were as follows:
* the volume wasn't loud enough - I kept missing calls even when the volume was on 30/30. This is just not acceptable and I wasn't going to spend 2 years explaining to my wife why I didn't answer her call. Also, I hate the fact that there was no media volume. If I wanted to watch youtube or listen to Nokia Music the volume that the ringer was at is what the youtube/music was at.
* MMS didn't work. I couldn't send MMS when connected to wifi. I had to go through 4 steps to get it to work. I'm sorry but a brand new phone shouldn't have this issue. That is something that should have been tested and others have had the same issue.
* Call waiting didn't work - I was on the phone with my mom and my wife called. I heard the typical call waiting beep and looked at my screen. There was no notification of an incoming call, which I thought was weird but I just kept on talking with my mom. After I was done talking to her I was going to call my wife to see if she tried calling me, except I couldn't. The call with my mom never ended, it was stuck "ending call". I would click on the "People" tile to call my wife and it would bring me to my stuck ending call. I had to restart the phone and when I did it showed I missed 5 of my wife's calls.
* The OS feels like the Windows 95 of phones - while I liked most of the operating system, it just didn't seem stable. Too many times I had to restart the phone to fix a problem. One of those problems was the call waiting issue I mentioned above. Another was my data just stopped working, even though I had full bars and LTE. A phone shouldn't haven't to be restarted to get things to work, at least in my opinion.
* Voicemail - the voicemail was confusing and there weren't any notifications. I went a week without knowing I had a voicemail. The only reason I found out was because my brother had told me via email he left a voicemail. The voicemail app on the live tiles wasn't for the voicemail, it was for visual voicemail, which isn't free.
Those were my main issues. The fact that I had so many issues in the first 20 days was what made me realize that I had to return it and couldn't spend 2 years with that phone. I switched to the iPhone 5 and am super glad I did! I have had no issues and love the phone.
* screen. better visibility in sun and ability to use with gloves on
* Windows Phone OS (This is debatable but I love it. Kids corner, people centric tiles, etc.)
* Office integration. This is killer. Sometimes I forget to take laptop to meetings and still get my work done on phone...killer
* Nice, free, offline maps
* Free music!!
* microusb charger. This has saved my life many times!!
What didn't you like?