A trio of sources speaking to Bloomberg have seemingly shed light on Acer's concerns with Microsoft's new tablet strategy. Seems that the boys beneath Ballmer hope to speed delivery of the company's new tablet OS by limiting variations. To accomplish this, Microsoft is offering incentives to chip and computer makers that agree to form sole alliances (i.e., one chipmaker works exclusively with one computer manufacturer) including enhanced feature sets and lower prices on Microsoft software. Under the plan, chip suppliers will be able to select a second company to produce a clamshell-style laptop using Micros