Lenovo positions its laptops in the market as carefully as pieces on a chess board. The ThinkPad L13 Yoga (9.99) slots in above the company's consumer Yoga 2-in-1 convertibles but below the ThinkPad X1 Yoga - it replaces the ThinkPad L390 Yoga as a choice for business execs who want the superlative keyboard and sturdy MIL-STD 810G certifications of a ThinkPad but are also watching their budgets. The L13 is a solid performer with sterling build quality