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Thanks Steve, Jeff and Ross.
I only image with the dob when observing because this is the scope I use for visual and saves me having to get my other scope. To use my other scope I have to drag the EQ6 out and set it all up which takes too long especially when it's early morning. It's a lot easier to put the camera/filter wheel on the dob and connect it to the laptop. Don't get me wrong using the EQ6 mount with OSC is fantastic. Without a doubt it makes life easier and can do the job better but sometimes it's nice to do things with your own hands. It kinda feels more personal and although the results may not be as good I think they're still acceptable enough for general record keeping.
Regarding mono imaging if you mean capturing luminance data to produce an LRGB image? Then yes, I have experimented with this in the past but didn't see any real improvement (maybe I'm not doing it right) so I no longer do it.
To answer Ross's question my dob has three tiny counter weights at the base. I got them to improve balance when I started using larger eyepieces. I think off memory they're designed specifically for 12 inch dobs, but there are other options available for any size dob. One being magnetic so you can position the weight anywhere on the tube. Here's a pic from a site of the one's I have.
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