From the very first day I entered the Bitcoin world I have used and considered Bitcoin to be the ultimate safe haven. I am surely not the only Bitcoiner with the same thought. It will be a matter of time before even non Bitcoiners come to this conclusion. The fact that you can store millions of dollars into Bitcoin where it fits in a single USB dongle or paper wallet. If you buy yourself millions worth of Gold, then storing it safely is a real danger and a hassle. Where does one leave that much physical Gold anyway? Don't tell me in a bank vault...
Most gold is also held electronically these days. People invest in e-gold or funds which invest in gold and other commodities.
But bitcoin is definitely better, because you can put it in cold storage in a paper wallet.