For the first time both Orbital Sciences and SpaceX Technologies have there launch systems on the pad doing hot fire test in preperation for launch. While SpaceX is considered by most to be the clear leader in the commercial space race. We will have to see how Orbital Sciences fares once they bring there Antares system on line.
Antares 27 Second Hot Fire Test for Antares Rocket
SpaceX CRS-2 Static Fire