Well I just placed the order. MyRCSupply.com--love those guys!
1 ea. E-flite Main Motor Heat Sink BCX/2 $2.99
1 ea. Inner Shaft w/Aluminum Head/Hub: BCX/2 $15.94
1 ea. Aluminum Bearing Holder w/Bearing: BCX/2 $4.99
1 ea. Aluminum Lower Rotor Head Set: BCX/2 $16.99
1 ea. Aluminum Swashplate Set: BCX/2 $18.99
Total aluminum Upgrade Cost: $59.00

I placed the order and literally no more than 1O minutes later I got a call saying everythign was in stock save for the lower Rotor head. Woot! Now I'm just waiting for the police body later this month, and the Stersman Tail Boom. w00t.
-Gene
P.S. Would anyone speak against letting a beginner learn to fly with the alum. upgrades?? I'm ready for them, but my Fiancee may not be? What do you think?