TI Deals has the eZ430-RF2500-SEH solar energy harvesting wireless development tool on sale for $74.50 (including free International shipping) while supplies last.
According to TI, the board includes 1x eZ430-RF2500-SEH kit, two eZ430-RF2500T wireless target boards, one eZ430-RF USB debugging interface, one AAA battery pack with expansion board (batteries included), one SEH-01 Solar Energy Harvester Board, one MSP430 Development Tool CD containing documentation and development software, 1x eZ430-RF2500T, one wireless target board and one AAA battery pack with expansion board (batteries included).
You can get more information and detailed ordering instructions to get this discount at TI Deals.