On my SD1 the "Miller" preset works just fine; maybe you could try to reload the two files in the "Standard" folder (OFlash.rid and OStandar.rid).
Some things are, however, changed on purpose; for example, the "Guajira" style (in the Latin bank) is now different and I have to say that I liked it better before!
(It's good that there is a copy of the old style on the Hard Disk...
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)
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.