I'm also new here. longtime Verizon customer with unlimited data I didn't want to lose. Bought the first LTE phone, the HTC Thunderbolt, the day it was released (march 2010) and have been using it ever since...but it has just become pathetically slow.
Was waiting for the 929 (Icon) but gave up. Hadn't heard great things about the 928 so didn't want to drop $400 on it. Thought of an 822 but looked slow and with bad screen/camera. Then went on ebay and found a 928 with a "cracked screen" for $89. Turned out that the "crack" was on the lower-left hand side of the phone, not the visible screen part. Bargain! So I picked it up at half the cost of a "good" used 928 or a quarter of the cost of a new phone.
So far I have been very pleasantly surprised. I am an enthusiastic Surface Pro user, so I knew all about the tiles & such, but I was really worried about not being able to find apps. But to my delight i'm not wanting for anything except maybe the step-counter/pedometer mode on Endomondo. Facebook/Twitter/Instagram are there, as was Tripit (surprise!) and others. The only app I use regularly but could not find is Strava for cycling, but it turns out that the developer of Cyclometer managed to enable Strava uploads. problem solved!
Coming from Android, everything seems much more refined and less hacky (though I should say that I was on 4.0 Ice Cream Sandwich, before Project Butter). Notifications could be better, but it's not a huge problem. My only real gripes are
1. no Swype-type keyboard
2. no easy toggle for data-plan tethering
3. voice interaction is a bit limited - doesn't understand "comma", can't launch navigation by voice. ironic since I used to work at Tellme, the voice recognition company MSFT acquired
4. MSFT is much to prescriptive about what you have to use wifi for. updates, map downloads, movies, only download over wifi. videos and high-quality pictures upload only over wifi. I have unlimited data and should be able to use it as I like. this is annoying.
now, on to my more pleasant surprises
* Glance rocks! I don't wear a watch and probably pull the phone out 100x per day to check the time. love this.
* double-tap to wake the screen is also cool, though a little thirsty it seems, and the power-button placement makes it easy enough that I may switch off this feature. wish I could skip the lock screen however
* WIRELESS CHARGING HOW DID I EVER LIVE WITHOUT THIS!!!!!
* xbox video, just released this week. now I can watch Tron Legacy all day long.