On 2012-02-20 21:34:14 +0000, Alan Browne said:

[...]
If you get a Mac, order it with minimal memory and update that yourself
with mail order modules (various good sources). Much cheaper (no
effect on warranty).

I wish I hadn't done that :-(

Some Macs have only two memory slots (both of which must be filled). It
would've been much cheaper to order my machine with more memory rather
than replace it later.