johnblack - 7:31 am on Sep 15, 2011 (gmt 0)
The trouble is that in general as a web developer you may be expected to cover off a number of languages/skills.
Not saying there's anything wrong in specialising, but that's not necessarily what employers are looking for.
And even if you are considering self-employment, being a jack of all trades may be better than a guru of one.
Just my 2c