DR High Beams - Gauge Frustration

^ Yup, what SLaPiNFuNK said!
When I got tired of trying to piece together my favorite DR 5 string gauges from various places, I ended up asking a guy I know that works at a guitar shop here in town. He simply said he'd order in a batch of however I wanted it. So I ordered a case, which I think is 10 sets(?). DR handwrote my gauges at the top of the packs. It sure took a load off of me waiting for singles to pop up.
 
Depends on what they have going on... Sometimes they imprint.

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Unsurprising they do not do a 100 85 set, seeing how that is even more unbalanced than 100 80 or 105 85. 100 75 would be similar tensions.
Choice of pre-packaged sets will always be very limited and mainstream due to the cost involved, so this is not surprising.