NEW YORK (

TheStreet

) - We're exactly one week away from

Microsoft's

(MSFT) - Get Report

big Windows Phone 8 event in San Francisco, but we're starting to learn about pricing of some of the new and improved smartphones. Up until now, prices have been a very tightly guarded secret.

Over the weekend

Best Buy

(BBY) - Get Report

began taking orders for both the

Nokia

(NOK) - Get Report

Lumia 920 and

HTC's

Windows phones. Both will operate on

AT&T's

(T) - Get Report

4G data network.

As for posted prices, The Lumia 920 was going for $150 and the HTC 8X sells for $100. Both prices reflect discounts afforded to those who agree to a two-year contract.

Notice I said the Lumia 920 was going for $150. I used the past tense because Best Buy has removed that phone from its

WP8 pre-order Web page

. There's no official word why the listing disappeared. We hope Best Buy did so because of high volume sales - not because of distribution or any other possible problems.

The HTC 8X is still available for pre-order, but the listing says the device "will ship when available." HTC's thin, flagship design, has a 4.3-inch touchscreen (capable of 720 by 1280 high definition video), LTE data speeds, 1 GB of RAM and 16 GB of onboard flash storage plus Beats Audio and, of course, the completely overhauled Windows Phone 8 operating system.

Acer,

Dell

(DELL) - Get Report

, LG and Samsung are among the other manufacturers who have announced new Windows Phone 8 devices.

--Written by Gary Krakow in New York.

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Gary Krakow is TheStreet's senior technology correspondent.