I think that 25E6 $ would pay for the rear left wheel hubcap on a moon bot in the spirit of Spirit (or miniature Lunokhod). Any realistic review of the known moon programs from the past would show that very clearly. Peter P. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist