exerpts from install.log (“-total-” is the time for a complete OS X Lion (10.7) upgrade)… HDD macbook aluminum (late2008) 2.0 GHz Intel Core 2 Duo 160GB HDD (Toshiba MK1653GSX, >90GB free space) Operation Elapsed time —————————– script 0.00 seconds os 0.04 seconds crsp 596.19 seconds reap 1867.02 seconds presize 235.28 seconds disk 626.93 seconds zero [...]