Where is the best place to buy the N920I (international variant)

Does anyone one know of a safe place to buy the N920I (international variant) ? I am in the USA and want to use this on At&t.
Thanks for any help!

[support] a place to solve any problem regarding android... Must see!!!

NEW GROUP FOR ASKING SOLUTIONS FOR YOUR PROBLEM REGARDING ANDROID:

MUST SEE!!!!

https://m.facebook.com/groups/454236...194756607&_rdr

Sent from my HM NOTE 1LTE using XDA Premium 4 mobile app

Point me to the right place for root steps by step

I'm on Build 1545VRUFNK4 and 4.4.2> tried towelroot but says device is not supported (tired 3 times). Aslo could not get Kingoroot to work.