Do not buy Gladiator on Blu-Ray until you have read some reviews. Apparently the Blu-Ray of Gladiator is a complete disaster in HD terms. Terrible EE and DNR. Also it looks like legitimate parts of the image like flying arrows and fireballs have been scrubbed out by the automated enhancement software.
Check out this thread.
I can't belive that a studio can put this out as HD and as a saphhire release no less. Not going to buy unless it is re-mastered.