After reading the additional comments I think I'm a bit on the fence now that we seem to be discussing Facebook.
I see the pro's and the cons.
I suppose my argument would be that there are some really talented people out there who aren't necessarily loaded with money and there are some pretty rich flashy folk with all the bells and whistles websites- top of the line camera gear etc who aren't necessarily the best photographers.
The proof lies in examples of their work, doesn't it and what your specific need is?