The 2nd Seiyu Awards (声優アワード; Seiyū Awādo) were presented at the UDX Theater in Akihabara, Tokyo, on March 8, 2008. The awards are presented for recognition of the voice acting talents in anime (and other media) in Japan.
Mamoru Miyano won the best lead actor award, while Aya Hirano claimed the best lead actress award. Complete list of winners available on Wikipedia.