I would be concerned with the fact that SP Tech is long gone, and there is no way to service the speakers if something failed. I've heard one of the floorstanding SP's, and they were very good. I am not familiar with the Coincident line so I am no help there. Maybe look at different brands to see if there is anything that fits both your budget and taste. GR Research, Hollis Audio, Odyssey, Spatial and Bryston all produce speakers and have manufacturers circles here at AC. GR, Odyssey and Bryston all make stand mounts, and GR is the only one who sells kits so you can build it yourself if that is appealing to you.
Best of luck in your search,
JCarney