I like their ability for customization! You can create your own dashboards with all sorts or different formats - from simple pie charts/graphs right up through full blown interactive maps & graphs (which are awesome!).
Great interface too- very easy navigation around dashboard screens as well!! There's not much bad about this software other than it could be more user friendly in terms design wise if you're looking into creating some really cool visualizations but don't want something super technical / complex behind them. As long they keep adding new features we'll continue using good research because its been pretty solid so far. We use GOR every day now just trying out things here an there which has helped us learn what works best when presenting our clients' information back over email etc.- plus helps me get my work done quicker by having everything organized within one place rather then searching.