Kenny always has the answer...
click on the link when ready to view vid....
this may not be exactly the type of samples you may wish to trigger, however in the beginning is step by step vid of creating a channel ready to play through and record any sample you may wish to trigger with your midi keyboard..
where Kenny is selecting the samplematic5000, you could choose Reasynth, or any VSTi you wish... dig?
His midi Vids are second to none and make all of this very clear and easy to implement immediately...