I recently found an architectural rendering of the Kansas City Missouri Temple on ldschurchtemples.com (a wonderful site). The picture was just removed from the site today for some reason, but you can probably find it elsewhere.
The temple design showed a two towered (2 steeple) structure. I was very happy to see this. A lot of temples have the East side represent the Melchizedek Priesthood and the West side represent the Aaronic Priesthood. The Salt Lake Temple started this pattern, having 3 towers on the East and 3 on the West. Logan and Manti look like they have 2 towers (technically they have 2 smaller towers with staircases on either side of each main tower). The San Diego California Temple was the next two ended temple (technically 10 towered, but there are two main towers with 4 smaller towers around each main tower). Then the Vernal Utah Temple was made with 2 towers (I believe the original tabernacle the temple was made from had the two towers).
Recently the church has been building temples with a tower on one side and a small dome on the other end. I have thought that they should just add a second tower. I know building codes don't always allow two spires, but when possible, why not? I think two towers make a temple seem like a special building, not just a fancy church. It adds to the uniqueness of the architecture and adds symbolism.
The KC Temple design isn't perfect, but I like it. It reminds me of the Logan temple in several ways, with the 2 towers being the main one. I look forward to having it built