+1
Although you could code something cool and show that to prospective emplyers... although that will only get you so far. I know someone who started in support, and in his spare time made a virtual web interface for diagnostics. Bosses loved it, took it off him but kept him in Support. Face it, its very hard to move around in IT end of
I haven't found it hard to move around it IT at all.
Started off as a systems analysis consultant. Moved into Business Analysis, then moved into development, then in to web development, then back into development (middle office), then more development (front office), then development management, then back into development (tech lead, scrum master). It's only difficult if you can't sell yourself, your ideas or your potential. Which, admittedly, some people find hard to do.