First, on an introductory and mission statementy note, we have not actually discussed what this blog is going to cover, aside from Phoebe's general suggestion that it should be about "how not to spend any money, ever." That's a pretty good starting point, since that is my only slightly exaggerated view of the purpose of financial management.
However, since a lot of the everyday ways not to spend money are geographically contingent--the rock-bottom cocktail prices during happy hour at this bar, or the strawberries at that ethnic market--and we all live far away from each other, I propose we keep the money-saving discoveries general, or at least generally applicable to our specific bourgie lives in America's most expensive cities. This means no promoting Uniqlo because, from Phoebe's descriptions, I'd be practically living in it if only they had a location in DC. But we might ponder whether discount store clothes are worth it, or actually cost more in angst (bad fit, rapid disintegration and replacement, poorly paid labor) than is indicated by their price.
I would also be in favor of blogging about broader cultural thriftiness (or spendthriftiness) and ideas about value and savings. Why does finding a bargain feel like a brilliant victory over the world that must be shared with anyone willing to listen? Why do people like Ed Andrews get subprime mortgages? Is thrift moral? Are poor people not thrifty, or are we unfairly castigating their spending habits? Are immigrants super-thrifty, or do they just have insider information that people outside the ethnic clan can't get?
My first question, however, is the one I posted at my blog: putting aside ambiguities about how best to save and assuming that thrift is good, what am I saving for? In the abstract, I am saving for 1) emergencies, 2) a hypothetical future family, and 3) a possibly insane feeling of satisfaction I get when I look at my balance in Mint (which, apropos of the blog's purpose to suggest ways to save, is absolutely the best free money management application ever). None of these purposes lend themselves to determining how much money I need to be saving though. The answer to that question by all these standards is just "more"--more in case of emergencies, more for my hypothetical future family, more for my insane ledger-lust. But this can only result in my feeling guilty over every single expenditure, since it could have contributed to the pile of "more."
So what I would like the unified theory of thrift to eventually address is not only the morality of saving, but also how to decide when and how much it's ok to spend. So far, the only suggestion I have come up with is that it's almost always ok to spend on gifts for other people (unless you agree with this view of gift-giving), and on time out with other people (unless it results in a $100 bar tab). So even my tentative hypotheses suffer from a lack of concrete boundaries.