#1 is the M25 gun physically too large for working small stuff like 1/2 square tubing and 1/2 wide flat bar, small expanded metal, etc??? The M10 gun on the 135 is exactly the right size for what I do and I understand the 210 has a bigger gun...?
#2 as you can gather by the above question, I do a lot of smaller stuff, mixed in with the occasional piece of .120 wall 2x2 square tubing object. Will the 210 dial down low enough to do thin stuff like .065 wall square, .088 sheet, etc. without a lot of TLC to prevent burn out? Having not worked with a 210 before, all I'm going on is peoples recommendation of the 210 as being a great machine. Any help is greatly appreciated.