Hi,
The differences are in the memory that's on the cards, and the clock speeds.
That's about it.
The "LE" will more than likely reach the same speed's as it's faster sibling, with a nice overclock.
I had the Ultra version for a while, and it was a nice card
Google search for some reviews!
<A HREF="http://rmitz.org/AYB3.swf" target="_new">All your base are belong to us.</A>
<A HREF="http://service.futuremark.com/compare?2k3=2216718" target="_new"><b>3DMark03</b></A>