The Aeneon XTune DDR3-1600's performs as one would expect from its clock rates; doing well at stock and surprisingly well when OC'd -- even getting extremely close to the higher speed OCZ DDR3-1800.
RightMark Latency
The Aeneon XTune DDR3-1600's ended up doing suprisingly well at the latency test, no doubt partially due to the X48 chipset.