Hi, I suggest to make Zope prefixes of object sizes be consistent with SI binary prefixes - see http://physics.nist.gov/cuu/Units/binary.html Using SI binary prefixes for object size will avoid any misunderstanding of real object size. Petr -- Petr Knápek Network Development NEXTRA Czech Republic s.r.o. http://www.nextra.cz/ V Celnici 10 / CZ - 117 21 Praha 1 / Czech Republic Tel: +420/2/96 355 111 / Mobile: +420/604-202 611 E-Mail: petr.knapek@nextra.com Contact address: Hlinky 114 / CZ - 603 00 Brno / Czech Republic Tel: +420/5/43 554 150 / FAX: +420/5/43 554 214 see Disclaimer http://www.nextra.cz/disclaimer/