Cinebags has the answer for anyone using one of the small form camera and regularly brings a laptop out in the field. The CB-22 HD Backpack is a well thought out bags that offers plenty of room for a camera the size of HVX200, many of the necessary accessories as well as a 15″ laptop. http://www.cinebags.com/backpachcb22le.html
Danish comapny UGRIP makes a wide variety of grips, handle, and clamps that work with a wide variety of cameras from DV/HDV to 35mm rigs. These products offer you a number of choice for how you hold you camera and attach all manner of wireless devices, disk recorders, zoom and focus controls. http://www.ugrip.dk/
Kick Ass Camera Company makes a cool device for small format cameras that lack a wide angle of view. It’s called the “Quick Swing”. It enables you to quickly mount and dismount your wide angle adapter in a matter of seconds. This seems most useful for the non zoom-thru style of wide adapter. Check out the Video. http://www.kickasscamera.com/qsindex.html
This is not exactly a 1:1 comparison of the two adapters. The Brevis35 is so much faster than the M2, different f-stops were used to get proper exposure, so the depth-of-field is always greater for the Brevis35 in this test.http://www.richard-darge.com/m2brevis.htm
