I tell you what... after I've filled up 4.5GB with just styles and SMF's, I'll worry about it.

I tend to only carry what I can use. And offline back to the computer anything that can't be (lousy styles, bad translations, sucky SMF's, whatever). And I'll wager that there isn't anyone out there that regularly uses 4.5GB of just style and MIDI data. Sampler loads, MP3's, sure, they'll chew a drive up. But the G70 has neither.

The ROM styles, all nearly 300 of them, take up a paltry 18MB. I've got 4.5GB of storage. You do the math...
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An arranger is just a tool. What matters is what you build with it..!