[jordigh]

Look-and-feel is famously not copyrightable in the US, and there's a familiar interface brings a lot of benefit to the user.

So, no, it does not bother me. :-)

[markthethomas]

Totally valid -- I guess I just like to see projects that try something new out, develop their own design, or at least put their own spin on something. Just a personal preference, really.