Rathbone was good, but Brett's portrayal and the actual episodes were truer to canon than any other version out there.
Downey's used to snorting coke LOL. I don't think he shoots up a like Holmes did
Major K
"He guards the sleep of his pauper master as if he were a Prince." George Graham Vest
"We are alone, absolutely alone on this chance planet: and, amid all the forms of life that surround us, not one, excepting the dog, has made an alliance with us." - Maurice Maeterlinck