Pro's:
1. easy to set up (do not need to line ur wires)
2. price is now much more cheaper than b4
3. portable if u change ur room configuration.
4. best choice for notebook user.
Con's:
1. speed is relatively slower.
2. Internet connection for mass download will be not very stable through wireless especially when u have other wireless equipements at home.
conclusion: recommended for most kinds of non synchranized internet uses, but definitely not a good choice for long time leaching.