The AtThePlate site maintains a list of top prospects lists. Here's the link:
The 1st part is a consensus ranking. The individual lists are below. The most recent ones are at the top. These are all mid-season lists from 2006. The end-of-season list on a regular prospect website that I know of is at TopProspectAlert. Here's the link:
http://www.topprospectalert.com/top100b ... spects.htm
IMO, it's not a great list but not terrible either.
At John Sickels' site, we are currently doing a 'community' Top 100 list. We're generally doing 1 ranking per day and we've selected just the first 10 so far. Here's a link to the latest poll:
http://www.minorleagueball.com/story/20 ... /75352/967
I think will be one of the better lists (wisdom of the masses).
Hope this helps!