A wise decision... After a coupla days of uptime, touching the mouse is enough to make it go into a heavy swap for 5 minutes

urr this may sound dumb. But need the /mnt/hd (or whatever directory) you are using to mount need to have universal write permission?

No, when you mount, the permission and ownership of the mountpoint directory are automatically adjusted according to the umask=, uid=, gid= settings in /etc/fstab.

I am having the same problem and I'm a complete newbie is there a way I can mount just one directory on my ntfs partition for example my directory with all my music?

No, that's not possible. You can only mount the entire partition.
However, there's a trick you can use: suppose you want your music (which in Windows is under, say C:\Music) to appear under /music in Linux. Then you could mount the ntfs system under some directory (say /mnt/windows-c) and then create a symlink (i.e. symbolic link) like this:

(as root) # ln -s /mnt/windows-c/Music /music

This way when you go to /music it actually redirects you to /mnt/windows-c/Music. You can still access the entire partition using /mnt/windows-c