Windows Phone lovers on T-Mobile USA finally have reason to rejoice. Windows Phone 8 has arrived!

As of this morning the nation’s fourth largest wireless carrier will has both the Nokia Lumia 810 and Windows Phone 8X available on T-Mobile.com and their local T-Mobile store. The Nokia Lumia 810 goes for $99 after a $50 mail-in rebate or $149 after a $40 mail-in rebate for those who have the carrier’s classic plans.  The Windows Phone 8X by HTC is going for $149 after a $40 mail-in rebate and a two year service agreement, and $199 with a $50 mail-in rebate with a two year service agreement.

Readers have confirmed that the HTC 8X is now sold out on T-Mobile’s website. We’ll update you when it’s once again available.