I just got a SP6920 (identical to the LE, other than rollmarks) last week, though I haven't had the chance to take it to the range. Frankly, I think it's the best AR for the money out there (I paid $1100 for mine). You're going to be hard-pressed to find another mil-spec AR any cheaper than that.
"Opportunity is missed by most people because it comes dressed in overalls and looks like work." -- Thomas Edison