lol!!
Nah I dont have much data, but I can do a lot with this unit - host a website off of it, FTP, and so on.
At some point I want to get some IP cameras on the driveway, maybe one indoors etc, as the NAS has 'Surveillance Station' built in, so can save video etc straight to the NAS.
Also, it has a torrent manager - so can download torents directly to it overnight etc, while my laptop/computer are switched of
Remember RAID 5 means you pretty much lose the space of a disc for the backup/redundancy.
Once I have 5x3TB drives in there, equalling 15TB, it should give me about 10TB useable space - that will probably last me a lifetime!