LightSpeed~~
Altough LightSpeed is not a "brand-new" stuff in SAP world(introduced sicen 701), but still many customers have no idea of it but keep complaining the speed of WebDynpro for ABAP.

Please take a look at this article.
http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/14707

Don't hesitate to upgrade to EHP1 !!
And LightSpeed is mutual, since SAP has developed it for many years but just introduced it into 701.