I am not familliar with the clors of Medallion cabinets but here is a link of a post about whites. White Icing & Divinity White are both discussed & there is a picture of a White Icing kitchen.
Do a google search "white icing vs. divinity white gardenweb kitchen forum."
There are several threads about those two whites.
Were you planning to do base molding instead of a toekick?

Here is a link that might be useful: White cabinets

You might also get more responses if you start a new post "Medallion White Icing or Divinity White." People who have Medallion will be more likely to chime in. I know there have been multiple discussions about those two whites.
Bring a sample of the 2 colors into your kitchen & see how each look in your lighting.