Sigma Press release.
The Sigma Corporation is pleased to announce the launch of the new APO 70-200mm F2.8 II EX DG MACRO HSM.
This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm/39.4in and maximum magnification ration of 1:3.5. This lens is suitable for taking all type [...]

Press Release:
The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 II EX DC HSM lens.
This large aperture telephoto zoom lens is designed exclusively for digital SLR cameras with APS-C size sensors and its compact, lightweight body provides freedom of movement and versatility. The minimum focusing distance of 100cm/39.4in. and [...]

DC Resource has post up their final review of the A700. They gave the latest Sony model a good review with the lack of Live Preview being one of the main disadvantages.

What I liked:

Excellent photo quality (though see issues below)
Well built, easy-to-hold body
Sensor-shift image stabilization reduces blur on most legacy Minolta and [...]