I must admit that I don’t often leave feedback 
either. Most of the feedback I have given is for 
new galleries or maybe a particular update that I 
appreciated or to help someone out with an ID 
(which is generally not often). 

I do enjoy browsing through peoples galleries but 
like graymouser I feel a bit strange sending off 
an email out-of-the-blue. 

Anyway,  the lack of feedback obviously doesn’t 
equate to a lack of interest in your site; 
considering how many hits you’ve received. I 
guess in general its just that people don’t tend 
to send feedback (for whatever myriad of reasons).

- X