I prefer the flat version, but that's because I have a Craftsman kitchen where it fits right in.
I will say that I believe the plain flat version actually collects more dust than the beaded -- flat edge versus rounded has a bigger "ledge" for gravity to work its magic, like settling flour when baking. I do have to wipe them weekly or more often.
In terms of which is better, it's purely a matter of your taste, budget, and style preferences for your space. The beaded picture you show looks like it's beaded AND glazed, is that correct? Are you considering glazing?
The trimmed shaker can look quite different depending on whether it's glazed or not. Here's an unglazed version:
PS: just to follow up on Casey, I think that technically, the term "beaded inset" refers to this, where the bead is set into the opening rather than the door panel -- another interesting option:
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2cm laminated edge
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