So a new ore scanner that can detect diamonds with selectable range, like this:
http://equivalentexchange.wikispaces.com/Divining+Rod
Uses: Easier mining
As far as I know, divining rod is not overpowered, but I think the recipe should include energy crystal instead of battery, because somehow equivalent exchange have more efficient matter to energy exchange than IC2, so I think this may need more power than the divining rod. The range can be selected using the IC2 mode select button, and there is 3 range selection, which is 64, 16 and 3 blocks.
Power consumption:
64 blocks: 1000 EU
16 blocks: 100 EU
3 blocks: 50 EU
When you right click this, the chat should display the most valuable ore,the second valuable ore and the third valuable ore.
Like this: Ores detected: Best: Diamond 2nd: Gold 3nd: Iron
EDIT:
Yes, I do know that Industrial craft 2 already have OV scanner, but the range is too short, only 9 blocks, but equivalent exchange divining rod can go until 64 blocks. Maybe 42 blocks is not overpowered?