At WRC-2015 one of the possible discussion points is new 5MHz ham band to replace the messy channels allocated in some countries. Although I have held a 5MHz NoV for some time I have still to transmit at 5MHz.
One of the downsides of WRC-2015 is the possibility of losing access to the 10GHz band.
All these decisions are a long way off but your national society may get a chance to comment on proposals. Take the opportunity to add your voice if these decisions matter to you.