I have the solution for you..You need the laptop..Buy MixCraft5..it comes with great VST's..You can set up splits and layers in combination vst's...Great bass module, great EP (Lounge Lizard)...easy to access and select..Use MC5..no other softsynth drivers needed..Hook up your Nord to the laptop..open MC5..and add JammerLive or OMB for your drums or arranger..
Nord..laptop and a USB cable..that's it...
Call me after Friday night..I have free time to demo it with the Nord..
Spend $125 and your up and running..