refill chips

I purchased a Canon Pro-100 printer a week ago new. After chatting with you amazing folks here at PrinterKnowledge.com about refilling I've realized PrecisionColors.com is the place to buy refilling products. I've also watched Jose Rodriguez's videos and he recommends all of the things I'm...

It seems there are two types of chips available (maybe not) but some Hp 564's use a small chip while others of the same (say cyan 564xl) have differing chips. I did a bit of research and it would seem the smaller ones are newer and harder to exchange. My Question to the forum is this ... I...