Looks like HP are in the process of releasing the latest version of the Micro Server - the N54L is listed on HP's site now, http://h10010.www1.hp.com/wwpc/uk/en/sm/WF25a/15351-15351-4237916-4237917-4237917-4248009.html?dnr=1
On the face of things it just looks like a processor speed bump up to 2.2 Ghz
On the face of things it just looks like a processor speed bump up to 2.2 Ghz