How much can the office suite known worldwide improve? Not much, it turns out. Microsoft Office beats the competition nine to one, and for good reason: it’s the best suite on the market. But the latest edition of the world’s leading productivity suite doesn’t take us light-years ahead of Office 2000. Instead, it offers a series of incremental improvements. XP is still the most complete on the market, but unless you need to constantly collaborate with colleagues, you might want to save money.