I use a combination of a DAW and onboard sequencers (if the keyboard is equipped with a decent one). I used to use hardware when I wanted to share music via the web or other ways, but boy I got sick of all the cables for this and that. It's so much easier using a DAW for most of my work now.
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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.