I'm the same way Ian. Just yesterday I was doing some recording on my S-700. The style I used just wasn't quite there, and it took me very little time to actually get it to where I needed it. I was able to do all this because (even my 2008 model) has all the tools to do this already built in. I didn't have to search for a style on the web, nor did I feel that the next model up is probably what I should have to do this.

I didn't like the preset drum kit.., so I changed to one I like. Didn't like the default snare.., so I edited the style, removed that snare, and added the better one (from the same kit). I didn't think the acoustic piano part really fit.., so I took it out, and added my own EP part. I didn't feel the guitar part really captured what I was after so BAM! I just picked a guitar part from a COMPLETELY different style all together. The ability alone to mix and match various parts from the styles opens up so many possibilities.

I was able to make all of these changes in a matter of minutes from within my CURRENT arranger. No searching for styles via the net, no wishing it had this or that feature.., because the tools are already there (and have been in Yamaha's arrangers for some time now).

It wasn't hard either. You and I (and a few others here) are of the minority. We tend to hang on to keyboards longer because we actually explore and utilize the deep editing features these arrangers have today. Goodness.., just look back to when the PSR-740 was all the talk on the Zone. Look how much has changed in terms of EDITING and USER CREATION TOOLS since that unit.., and A LOT of Zoners had that 740 and swore by it. Yamaha has given us so many useful and MUCH NEEDED customizing tools since that model, yet few players are barely touching them.
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.