What is everyone's go to NCR paper brand? I've been using Excel One and am mostly happy with it. It feeds well and works. But, I thought I'd see other papers and ran a case of Superior NCR. I was amazed at how much more resistant it seems to be of marking from a bit of rough handling. I like the stiffer feel; and, it doesn't seem to get wavy edges like the Excel seems to get from the fan-apart adhesive. The only, and kind of big, drawback is it sometimes likes to double feed (a real annoyance when numbering). I'm tempted to try a couple of other brands (Rainbow Max, Giroform), but I'd like to hear other people's experiences.