Spot prices as of close of July 16, 2008 for aluminum are as follows (pricing is for LTL and then TL) 

Old Mixed Aluminum           0.35   0.47 lbs USD
Utensil Aluminum                 0.45   0.60 lbs USD
Aluminum Turnings             0.17    0.33 lbs USD
Aluminum Extrusions          1.11    1.26 lbs USD
Low Copper Aluminum        1.10   1.25 lbs USD
Cast Aluminum                     1.05    1.20 lbs USD
 Clean Painted Aluminum    0.27    0.53 lbs USD
 Used Beverage Cans            0.34    0.67 lbs USD
 Bare Aluminum Wire           1.05     1.20 lbs USD
 

For more aluminum scrap prices visit the non ferrous scrap metal page of this site