You can add the properties option when you right click a contact if you know how to use ResHack.
Here is how:
Exit MSN Messenger, open msgslang.dll in reshacker..
Goto Menu > 208 > 1033
Under line 37 which is:
code:
MENUITEM "&Delete Contact", 40043, GRAYED
paste the following line:
code:
MENUITEM "&Properties", 40041
Then Compile Script and save