Well, I just purchased one for my coming holiday trip to Perth, Australia. I received the lens 2 days ago, and initial testing on this lens showed very positive results.
For the price you paid for the lens, you will not be disappointed.
This lens can gives a very nice bokeh at 105mm range. Something that I can't get from the CZ 16-80mm lens. It's very useful for close up shots.
Updates on 13 July 08:
Sold this lens to another Alpha-mount user. This lens is highly recommended for APS-Sensor DSLR.
You can view photos captured with this lens in my Australia gallery in Flickr - My Collection from Australia.
Reason for selling: Positioning for FF DSLR - heard that there is a new SONY 24-105mm f4 G SSM lens. :)