What Delta Charges is Sad
With recent Skymiles devaluations, the best biz-class redemption is USA-Europe at 125k miles. My motto has always been "low or I don't go!" The replies to the OP are fine assuming he has to go to Asia and not somewhere else where the illusive SKymiles biz-class low redemptions might still exist.
Just for comparison, I've twice redeemed SAN-NRT and SAN-(NRT)-Korea for 100k AA miles in biz-class roundtrip. After last month, I think these AA awards cost 120k miles, but it's sad to see how uncompetitive Skymiles redemptions are.