10: Native Instruments FM8 This great sounding FM synth was used by Skrillex. FM8 is probably not a synth for beginners, as it takes a while to get your head around FM synthesis. Nevertheless it's still a great synth used by plenty of pros. Pro's + great presets+ ability to morph patches+ great arpeggiator Cons – no "sample import" option– FM synthesis isn't easy (probably not a synth for beginners)    9: Spire Spire is an awesome additive hybrid synth. It sounds very modern and punchy and has a lot of great presets. Our only wish is that it would have...