Before trading in my Surui W-2004 tripod for the RRS TFC-34L Mark 2 I'm wondering if anyone out there has had experience with both and have any opinion concerning whether one is substantially better than the other. They both weigh 4.6 pounds. So, the question seems to be, is one substantially more stable than the other making a trade worth it. Regardless, I will be purchasing the RRS quick release Lever clamps for both the head and the camera. Any information out there concerning compatibility with Surui products. I've been in touch with RRS and they do not know. Thanks.