to counter my post and quickslides.. The game has morphed into some tower pushing rape fest, where the heal build for Alistar does quite well. My suggestion if you are doing the crazy healing push build that I have seen lately is to rush Innervating Locket by going with mana manip first.
Max out Roar as early as possible, taking pulv and head at lvl 1, and 3 (you honestly don't need roar till level 2 at the earliest. Make sure your team is going for a 5man push strat (typically requires a Sivir, and a Soraka or some other cheezy goodness).
If they aren't playing with a comp as mentioned above, dont focus on roar! It is subpar, and you can still be pushed out of lane in higher level play despite the creep waves you have pushing.
Roar is amazing, but it is more amazing when you can spam it.. Sheen and Chalice allow this, as you will kill minions faster with sheen procced attacks, triggering the recharge of roar.
Also. IS ALISTAR's name always mispelled? wth people! Isn't it ALISTAR? Or are other countries seeing his name appear differently? This **** is starting to bug me.