In Stockholm there are plenty of hotels to chose from in various price categories. Kista is easily accecible from central Stockholm by subway blue line towards Akalla (see venue). You can choose yourself where to stay in Kista or central Stockholm. The following hotels are located in Kista:
Scandic Tower Victoria
Scandic Kista
Memory Hotel
StayAt
GoodMorning (budget but somewhat difficult to reach in the evenings)