Hello.
I have three keyboards at my studio (Genos, SX900, and SX700) - just to convert my custom styles for more compatible keyboards - and I do everything only using keyboards - no computers, no softwares (it won't be the same).
I can create styles from scratch, and I use my Genos to do it. I usually use all the features to make my styles sound the best (which means a lot of effects, pedals, reverbs, and so on).
After that, I use my SX900 to convert the Genos style I created to SX900. It's a kind of time, but it's not so hard. (now I must replace some voices, adjust volumes and equalizing, remove some effects and so on).
After that, I use my SX700 to convert the SX900 style - now we're talking about a more consuming time convertion task... (now there are more things to do, replacing voices, adjust volumes and equalizing, remapping drums, reprogramming drums, remove even more effects, replace parts...).
I do all of the work for commercial proporses, as I sell my custom styles on a website, so my styles can be more compatible for more models.
Most of my SX700 styles play well on SX600 (I don't have a SX600 with me).
I can tell you: convert a Genos style to SX700 is not so easy - however, I have all the keyboards here to listen to and to compare, to know what are the voices and effects used, so I can try "live" the best options to replace...
However, if you don't have the keyboards, don't have any idea what voices are inside a style, and you just pick a Genos style, import to your keyboard, and try to convert it - oh man, that's insane.
I agree with every opinion posted here.
Best regards,
Pedro Eleuterio