A used SB-700 would be fine or a recommendation for a similarlyfeatured flash from another manufacturor.
I'm looking for one too, I have no idea what to look for in a flash, so I can't help you.
The SB-80DX should be fully functional on your D60. I used it on a D50 and it had full TTL capability. They sell for right under $100 used.
I own a Nissin Di866 Mark2 love this flash has all the features and power of a Nikon SB900.
I have a Nikon D-60 and bought the SB-400 which did nothing except give me a little more light than whats on the camera. I didnt like it so I changed it for the SB-600. This is great it practicaly takes the picture for me! Definitly go for the 600!
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