See this link for the solution I use
MAC:
http://crackberry.com/wi-fi-file-sha...berry-playbook
Windows:
http://www.youtube.com/watch?v=VNBHOj8UPT
Windows:
http://opensourcebb.com/2011/10/map-...ess-over-wifi/
Linux:
http://www.youtube.com/watch?v=q4pVt7D2vbs
Linux:
http://gnuman.com/wi-fi-file-sharing...ook-and-linux/
I transfer everything this way. I use Linux Mint and it automatically sees the Playbook as a network drive. I have it password protected as recommended in the video. By the way, I will always avoid the cloud. I simply do not trust having my data on someone elses server.