Nooooo!
Splitfish products are of really crappy quality, I've owned the FragFx. And by the looks of it, this product seems to be of the same build quality. After extensive play, the mouse will suffer (especially the buttons). Your performance is obviously going to be better than the DS3, but there are better mouse alternative controllers out there.
I recommend the
Fragnstein or it's successor the
AIMON PS.
These are available at various online stores, but
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There is a clan/group that review these types of products bias free. Their rankings are at the following link...
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Note: That Fragnstein is now basically the same as the AIMON PS from a recent update. They're the same product in actuality.