In reply to Bob_the_Builder:
TR isn't that hard, its just long and commiting, Castle Ridge is a shortish III but perhaps technically harder than TR. All subjective as ever! Perhaps Ledge Route would fit the bill?
Was in Glencoe over the last couple of days, although I wasn't up there the Aonach Eagach would have been in stonking nick with blue windless skies. choose well, have fun!