Pentax K-7

I'm currently contemplating the idea of switching over from my Pentax K7 for making short mini documentaries to something that can record higher quality video (let's say, BBC HD minimum standards). I also have a handful of pentax lenses and I would be very sad if I had to get rid of them - but I read that there are adaptors for the NEX and GH.If you were in my boat which camera would you choose if you could pick between the NEX-6, NEX-7, or GH3, and why?From what I've read online it seems the...

Does anyone have any experience using the Capture Camera Clip system or the Spider Camera Holster with a K-7/5? or similar gear?Looking at the Spider, the tripod socket on my battery grip might be offset too much when used with the holster on the right hip.

Hello,Could I ask for your opinion on the following:The mode dial and Metering mode switch lever on my K-7 are no longer turning properly. They need to be pushed hard to move as if something sticky was preventing the mode dial to turn.Is there a way to fix this issue on my own or is it best to send the camera to the Pentax dealer?Thanks in advance for your feedback.Best regards,