The average person won't be able to buy the phone for about two months.
Also, keep in mind some other things.
1) No HDMI output capability
2) No MicroSD card
3) No removable battery
4) No APT-X Bluetooth Codec
5) LCD panel won't be able to get as dim as Note 3
6) New company, new design, new/rushed production
7) Taller phone with .2" smaller screen
8) No IR remote capability
With that said, the factory supported CyanogenMOD & unlocked bootloader is to me, a HUGE deal.
And the 64GB version (at $349) negates my need for MicroSD.
The only thing I'd really, really miss after that would be the removable battery.
If the phone were available today, I'd have already bought one.
Whether it would replace my Note 3 is a big question mark.
Let's all hope this phone takes off like crazy. If it does, then maybe Samsung & AT&T will rethink their locked bootloader thing. Or at least, offer a developers edition that you don't have to pay full retail up-front for, like you do with the VZW phones.