I have similar stats. Cept I have, full time, DG Imperiling Serenity relic and DG shield amplification (+455 absorb for 6 seconds, etc) and only 38% absorb, but it works great. I statted myself around imperiling serenity + deflection (which gives me a lovely 87.xx defense chance) for those moments where I really need to buy myself 12 seconds of invulnerability to melee/ranged
Also, something that can be shielded can be defended against, and vice versa as far as I've researched.