Oh yeah, I'm kinda horrible about having new/nicer stuff on trips. Not so much for me and the husband but for the kids, though I let them do all their normal stuff and if it gets stained so be it. And I like the kids to match, too. I claim it's because if one of them ever got lost, I'd be sure to know what they were wearing because all I'd have to do is point to another kid..but I do like the "cute" factor, too!
Here's the kids last time at Disney!
On our way out, yes, all matching:
Special shirts for each day in the parks:
MK:
AK:
It was a lot of fun, I made them on the computer and ironed them on.
One HUGE problem was that when it rained (which it does every day) the colors ran!
This time I'm going to get at least one day of shirts crafted (not by me, I don't have the talent!). I doubt my husband, inlaws, etc will want to play along for more than one day. BUT, I did add two sons, so I'm thinking with the five kids to coordinate there's enough to keep me busy!!

Finding cute matching crafted stuff for them is one of the things I look forward to the most (and they love it because it makes it feel even more 'special'!)