What features that are improved over bitcoin will allow a new coin to ultimately dethrone the king.
Only three things:
1.) a great name meaning value to every human since the dawn of time.
2.) a developer with mad satoshi-like skills.
3.) a growing and peaceful community.
.. for more information go here >>> http://gldcoin.com
ROFLMAO
the "goldcoin" you posted is the opposite of your points, lolololokl
hehe
I love point 2)
Satoshi-likr skills 
Omg
Huston ...
we have a problem