My first Dimi set seemed to follow your ideas but the one I posted seemed to consistently net better results. This is my old set.
<ammo>Aqreaqa Bomblet</ammo>
<neck>Thunder gorget</neck>
<waist>Windbuffet Belt</waist>
<back>Atheling Mantle</back>
<lear>Bladeborn Earring</lear>
<rear>Steelflash Earring</rear>
<rring>Epona's Ring</rring>
<lring>Rajas Ring</lring>
<head>Whirlpool Mask</head>
<body>Qaaxo Harness</body>
<hands>Buremte Gloves</hands>
<legs>Quiahuiz Trousers</legs>
<feet>Qaaxo Leggings</feet>
<sub>Bloodrain Strap</sub>
Under what conditions?
There are two main cases in which you'd get more dmg out of a dex heavy set.
1:Capped, atk.
2:Uncapped acc.
The gear choices I posted were under the assumption that neither of these cases was true.