I need to take some newer pictures but I just wanted to give everyone the update. As of this evening Pixie is 590 grams and Trixie is 516 grams. My girls are getting so big! They will be 5 months old in exactly two weeks on the 2nd of May. Still a bit concerned by the large difference in the two, but maybe it's just how they are. Trixie is still far more skittish when picked up and such than Pixie. Pixie is a lot more laid back but is also more likely to bite your finger if you insist on holding her when she wants down. Pixie's coat also seems to be a bit more plush than Trixie's. It's amazing how different sisters from the same litter can be.