I would pay 150 TP for an individual color I like. I will not pay 595 TP for 4 colors, considering I am only interested in one or two of those 4.
I am highly disappointed that purchasing a store exclusive horse in order to get the war-steed appearance doesn't give you the color and/or hide options that you get with the standard version of that mount. In many cases, that was a primary factor in my deciding to buy a certain steed.
This sums up exactly how I feel about this: