This might sound boring, but i'm playing a pure-classed fighter at the moment and this guy fraggin' tonks.
Ecthelion (Gothmog's Bane for those of you who know
)
STR - 18/95
DEX - 18
CON - 18
INT - 10
WIS - 10
CHA - 11
For raw blitzkrieg power, though, I can't go past the sorceror.