Welcome to FT
OneTame ^
Definitely start by reading this
http://www.flyertalk.com/forum/milea...ser-guide.html as well as reading what other people are asking - even if it isn't regarding PHL. This will give you a good sense of how to find or put together your MR.
Also, a little searching always goes a long way
http://www.flyertalk.com/forum/milea...hx-anc-us.html,
http://www.flyertalk.com/forum/milea...s-7-6-cpm.html,
http://www.flyertalk.com/forum/milea...-aa-metal.html
Best of luck.