I replaced because I had a hardware issue and was given a certified like new
When the video camera wouldn't record audio, I returned my first Dx and was told I would be getting a "like new" one. I told the manager I only had the phone for 15 days after having paid $300 initially. He said, "sorry, we'll swap for a like new".
I swapped alright, I swapped for a new BB Bold 9650 but then after a week the trackpad went all wonky and the i kept getting http error 502 on every freakin webpage i visited. I returned the BB Bold and got another then last week when I heard the D2 was pushed up, I decided i wanted one and found out that Friday, the 13th was the end of my 30 days. Unfortunately, the store was sold out of the D2 but the sales associate assured me they would have more in on the 13th!
I called on the 13th and no shipments were due until the 18th! Lots of expletives later, I went to store and was going to return the BB Bold and go to another store and get the D2 when the sales associate (another one) told me there were two Dxs available.
So one week later, I'm on my second Dx. I'm happy
although the noise in the ear piece is annoying at high volumes but I can live with it so long as there are no major problems.