Heres the list of the 2005 Field Elements for comparison
http://www2.usfirst.org/2005comp/200...terials_r9.pdf however its the post kickoff edition, so ignore the stuff in Bold and you have a similar hint.
Overall the field is cheaper per item in the 05 game, however there were more parts. So could we see multiple ramps assembled this year? Maybe 3 ramps, stretch accross the field?