In article <4253a28c$0$2587$da0feed9@news.zen.co.uk>,
 Andy Wade <spambucket@ajwade.clara.co.uk> wrote:

Not much compared with some of you hardcore crunchers, but the first 160 
units took me 4 years on a slow old P75:

No shame there, I'm still working on two Macs running system 9, the 
fastest is 466 mhz. Doesn't mean the math's wrong, just slower. (I've 
got 5400 or so units.) BTW, congrats.