hey guys, i am new to BT, i have a home network at my home and i am the administrator of the network ( i am the computer geek in the family ) so i have BT4 on my laptop and windows XP service pack 3 on the desktop and another vista box, so i made scan to my XP desktop and found ports 445/139 opened,so i want to use metasploit project to make test on these ports, so does anyone suggest an exploit and payload?
btw if the exploit works,can I use any payload?

p.s: what i am doing is 100% legal, so don't bother to ask