I'm normally pretty good with not buying, especially compared to everyone around me, but I'm not immune to the shinies, either. And as the bills rise, it's really necessary that I not get distracted by shiny things and then bummed out because I cannot have them. I still don't even have all of my furniture yet.
So, ideas, philosophies? I usually try to think about how much I really need the item and if I'll ever even use it much. Or I'll think about how much clutter more stuff would make -- I hate being weighed down by junk and clutter.