re. chain tools--Is it just me, or is there a black hole they fall into. Every time I need one, it's off to the LBS after a long search. Just bought a cheapo velcro pouch at the army surplus. Chain tool just fits and pouch is flourescent orange.
re. Park chain cleaner--It's great! I use it 2-3 times a week for last 1+ year. Per instructions-30 revs w/solvent, then 30 revs w/soap and water. Takes less than 5 minutes, no mess-I do it sitting at the kitchen table. 3 brushes and a magnet-I don't think you can get the chain any cleaner.