Is it addons/microland uk?
1) Is that any good? Looks like you have chosen a AMD fan: FAN: Super Silent UPTO 2700+ you need a pentium fan.
2) What is a Network Card? Allows broadband and fast ethernet network connection for a home network. (Connect 2 PC's togeather,)
3) Memory is 512 MB, but what does 'Memory in Bank 1' mean? Means that it only occupies one slot on the motherboard, ussualy more expensive but anyway that is a fast a good way to have it.
It is a very good PC actually for a home user.