These are great little bags. After initially seeing these bags and reading the copy and seeing how they were named I thought: way too cute, twee alert. Copy writers drinking the cool-aid, designers trying too hard. I was wrong. They are great little bags.
I've been away from the TB universe for a few years. I have a Daylights Briefcase but wanted more room and versatility so took the plunge back in the TBverse. Ended up with the Synapse 25. Bought a few of the GW bags mostly because the other bags weren't available. I've tried the first three sizes, haven't tried the A5.
The combination of the weight of the fabric and how it opens in your hand is amazing. I didn't think curving the zipper in like that would make much of a difference. The fabric is light enough so that it falls open easily without letting stuff fallout easily. The sizing is also useful. The super mini, the size I thought I'd like least is my favorite. Holds spare cash, credit card, business cards, earbuds perfectly.
My only nit is that there is a lot going on in the that upper left corner, what with the zipper pull, hook and TB tag. I've cut off the tag and put on a lightweight MSR zipper pull and this mod helps.