My favorites are: the Engineers Thumb, Dancing Men, The Red Headed Leauge, Musgrave Ritual, and Hound of the Baskervilles. Love to read Doyle. Those five stories are ones I re-read most often.
Currently at about 115 pounds, most is in the 3 to 5 year range. This is a retirement cellar, it'd be a lot easier to plan if I knew just how many years I've got left ;)