Do you really want me to answer the question, "do I just need more than one BE?"? That could lead to trouble! LOL!
The great thing about the matte leathers for a RM..and since you want to use it for kids..is that it is so light to carry. I would have suggested you to get one of the also gorgeous Rock mes from the sale in pebbled leather, but I must say that I find these a tad too heavy for this purpose.
I have also somewhere posted my Grey matte RM..or I will see if I can fund the picture on my PC.
^I'll second this. I have a black pebbled RM at a conference to carry my laptop, files etc. It was great as a carryon bag but it gets heavy in this leather even with just a wallet and makeup bag in it. I wouldn't want to actually use it as a day bag with kids stuff in it in pebbled leather.
Matte is much lighter, as is crash.
I wouldn't use the Rock Me as a daily bag but then I don't tend to carry a lot with me so I tend to carry a midi size bag a lot of the time. It's all down to your personal preference and what you have to carry, I know there are ladies who carry the full size RM as a day bag.
I remember seeing a picture on this sub-forum of a pale grey hold me with a grey suede lining that was absolutely beautiful....I have often thought of bespoking a copy of that one!