Quick question for you guys here... I've been approached with a potential trade of my 60D for a good condition 1D MK II. I like the idea of basically having the battery grip built in for added heft and comfort, and the idea that this may track and focus quicker than my 60D for fast action shots, offer a better protection of weather sealing when attaching a weather sealed L series lens for harsher environments (i.e. beach, boating, sand, rain and in the presence of babies and/or toddlers and for some reason the overall IQ in the 1D thread seems to be a bit better than some similar shots here. I realize alot of this could be attributed to the fact the lens benefits the IQ more than the camera but I'm curious to know how much in comparing these two, if anyone has experience with both. Added to that, I would like to make the switch to full frame one day, within a year or two, and like the idea that this is one step closer to full frame being a 1.3 crop to take advantage of the few extra millimeters (approx. 7 mm) gained over the 60D. High ISO comparison also seems to be in favor of the 60D from what I've gathered but not by terribly much. I'm in no way saying my 60D isn't capable nor a great camera as I love it to pieces and has become my baby and I am picking up the 24-105 f4L just as soon as I pick up an overtime day to fund it so I want to know people's honest opinions if making the swap seems like a beneficial one given my wants, or if I would benefit any to keeping it as a back up for said proposed full frame purchase down the road in the form of 5D MK II or III by the time that comes around. The proposed offer would also include cash on his end to me, as I am also curious to anyone's input what I could expect to be a fair amount on his part. Like I said, I'm not sure that I'm ready to part with a near new 60D, but would like opinions as to whether it seems beneficial to future plans. Thanks in advance to anyone for any input or advice. I GREATLY appreciate it. 