There has been plenty written about the Bitcoin craze. Quite frankly, anyone who thinks Bitcoins are a genuine substitute for currencies needs counselling. Consider that:
1. it is not known who creates/issues Bitcoins - do you really want to trust your wealth to what amounts to an anonymous stranger somewhere in cyberspace?
2. Bitcoins are not the only so-called virtual currency. What's to stop more being created?
3. while it is stated that there are limits on the number of Bitcoins that can be created, how can holders be assured that the announced limits will be respected (or are being respected now for that matter)?
4. Bitcoins exist in the hacker-populated world of the Internet. What happens if hackers make another successful attempt at the system?
Bitcoins are only worth what someone else will pay for them. No different from any other real or virtual goods. Like tulip bulbs, cowie shells, Beanie Babies, McSnoopies and a host of other fads, they are worth what people will pay for them and nothing more. Unlike a genuine currency they do not have a universal exchange value and are not widely accepted (not even close).
Sure, fiat currencies have serious issues - most significantly they fail the long term store of value test due to excessive printing by governments and central banks - but Bitcoins suffer from the same issues as fiat currencies and a whole lot of additional issues.