Buyer's guides for business software.
Twenty kinds of system, every one explained for the person actually signing off the budget: where off-the-shelf breaks, what a custom build really costs, how long it takes, and how to choose. Written per city, 16151 guides and counting.
Every city has its own set of guides, written around its real industries, US, Canada, UK, Australia and New Zealand. Find yours on the locations page or search above.