*cough* Please do note, however, that the overall capacity
of the cards being compared should also be considered.
Remember, the 4xGE GSR "tetra" card is a 2.5 gig OC48
engine, so your gig ports are rather oversubscribed.
Just making sure apples get compared to like-sized apples 
Matt
A very, VERY happy user of OSRs for quite some time.