Image quality results from the Canon EOS-1Ds Mark III have been added to the Tamron 90mm f/2.8 Di VC USD Macro F017 Lens page.
This is a sharp lens. Results from other camera models are coming soon. Here are some macro lens comparisons you may find interesting:
Tamron 90mm VC compared to Canon 100mm L IS Lens
Tamron 90mm VC compared to Canon 100mm non-L Lens
Tamron 90mm VC compared to Sigma 105mm OS Lens
Tamron 90mm VC compared to previous version Tamron 90mm VC Lens
Tamron 90mm VC compared to Tokina 100mm Lens
Tamron 90mm VC compared to Zeiss Milvus 100mm f/2 Lens
B&H has the Tamron 90mm f/2.8 Di VC USD Macro F017 Lens in stock.