Despite their own relative pros and cons, YOU know your book the best, and YOU have control over final product. (wiseinkblog.com)
Just remember that even now, it still seems to be difficult to get a comprehensive offering all in one place (and there will be other relative pros and cons too)-- you may find you can't trade Irish, UK AIM (or even US) stocks depending on where you go. (wexboy.wordpress.com)