The S3 has wireless charging? Wasn't aware of that since my S3 came with a charging cable. The memory card for more storage argument is kinda moot since with Google Play, I had all my music on the cloud. And I don't put video on a mobile device (even iPad screen is too small to be enjoyable), so I didn't have a use for the memory slot (and it's a PITA to access anyway).
I can agree with others that OLED isn't exactly better. I couldn't see the screen under sunlight even with max brightness. And the bigger battery argument is also moot. When I had the phone on Airplane mode, sure I could get incredible standby time. But off Airplane mode and hardly even using it for a 9-hr work day, the phone would be at about 8-10% battery life before I reach my car to leave. And this is with sync and bluetooth off since I like to manually get my gmail inbox and I don't have any BT devices.
Even my coworker who recently got an S3 can't get decent battery life out of it and we both hardly use it during work. We don't get signal down in the hospital basement so it's definitely not LTE/WiFi/3G draining it. So yea, the battery life .... not getting anywhere near what the spec sheet says.
Won't be getting a iP5 until after Feb '13 since that's when I'll get the minor discount, since I just recently upgraded to the S3 from an iP4 on 2-yr contract. Not a good experience so far.
edit: ugh and nfc. We couldn't figure out how to get that to work AND Google Wallet - yes NFC-related options are enabled in settings. I read the forums, updated the software when Samsung had it available, but later found out the carrier has Wallet blocked

Now Google Play store just says "This app is incompatible with your Samsung SAMSUNG-SGH-I747." So yea ... not all those features Samsung advertises work out smoothly for everyone.