Huawei just announced the Ascend W1 Windows Phone 8. It's a midrange device that's aimed at Nokia 820 and the HTC Windows Phone 8s.
It's a HSPA+ device with a dual-core 1.2Ghz Qualcomm Snapdragon 8230 processor. The 820's has a similar processor that's clocked at 1.5Ghz while the 8s' runs at 1Ghz. You also get 512MB of RAM and a 800x480 display - just like the 820 and 8s.
There's a 5 megapixel camera on the back and a VGA front-facing camera. There's 4GB of storage which can be expanded with MicroSD cards. 802.11 abgn WiFi and considering it's specs, it's got a relatively large 1950mAh battery.
It will be available blue, red, black and white though whether it gets picked up here and in what colour remains to be seen.
Since you've already decided that speed is your determining factor, why are you asking us to help you choose? What are you using the phones for that require more than 3MB/sec? If nothing, then price...