They just reviewed all three together on Top Gear. True it is Top Gear, but good footage of them all.
www.autospies.com has a link to the site with all three segments.
Oh and don't get a CSL like someone above said. Well, unless you want to only drive it in the sun on a dry day with absolutely no luxury.
Or, forget all of those and get a real sports car. Get in line for an R8.