An uneasy peace has broken out. After much wrangling, version 2.0 of the draft 802.11n wireless protocol, which will jack up the speed and distance of Wi-Fi signals dramatically, has been blessed by the certifying body, the Wi-Fi Alliance.  But now a new war is breaking out, this time among analysts instead of engineers. Should enterprises invest in gear based on a standard that likely won't be finalized until 2009?