I think it would be really cool to be able to go in and make different pre-made item lists. A lot of games that I play I end up buying the same items so being able to go in and tailor make builds I know im going to use would be awesome! They could put another tab in next to the runes and masteries in the summoner profile with an interface for making item lists. They could even sell extra lists if they wanted. It would also let you look around at all of the items in between games or waiting in the que. Don't know if this has been brought up before but vote up if you like this idea!

The same thing has occurred to me, it would be really handy and I think it would actually promote more flexibility and counter-play. With limited time to spend shopping you can't search through the whole item list for those some-times useful items, time pressure makes you go to the tried and true items. With custom made item lists you could put more thought into your purchases.

There is a program which lets you do this with out violating the rules set our by RIOT.

Not sure if you've found it yet, but there's a bit of software for this:
http://na.leagueoflegends.com/board/...d.php?t=145862

I'd love it if we could at least look at the item list outside of matches. Kinda like using the shop with the intent of learning about the items available and having no pressure from time.

But making your own recommended items lists for your favorite champions would be awesome!