I just received my new Tamron 45mm f/1.8 Di VC USD.
After adjusting the AFMA to +20 it seems pretty sharp.
1DS_0003 by Mark Clem, on Flickr

I tested the VC
1D3_0006 by Mark Clem, on Flickr
1D3_0005 by Mark Clem, on Flickr

I love the bokeh
1D3_0009 by Mark Clem, on Flickr

So far I like this lens but can't believe I had to AFMA to +20