Hey dude...
Ive been working with the fw-1884 for 2 years with Cubase SX and Nuendo and have had no problems whatsoever... There are a few things though that you should take care of on your pc first like properly disabling any onboard soundcard installed on the motherboard... this may conflict with the ASIO Fw-1884 drivers in Cubase or Nuendo.... Aside from basic "pc for music" configuration of windows and properly setting up the drivers and stuff, you should be having alot of fun with this machine... i just bought 3 expanders for it and now have 32 fader capability(looks really too!!)
Hope this was any help...let me know if you need anything else
Ciao