I recently uncovered two 58mm F1.4 Rokkors in an equipment box in my studio, but I haven't really had time to test them yet. I did buy a D55NA Minolta lenshood and filter for each of them.
Here is a test of the 58mm F1.4 Rokkor I found on the internet:
And Here are some photos taken with the lens:
Looks like a good lens from what I can tell so far.