If you are looking to buy boots, there is a dedicated thread for that:
To the boot-fitters in this thread: the purpose of a footbed is to create the best interface between a foot and the ski boot. That's all. It can be custom or it can be semi-custom. More often than not, if you recommend the custom option you will not be doing anyone a disservice. Let's all try to help people find the best solutions, give them the options, and then let them decide.