Can GMail place the reply after the quoted text, or offer a choice
between "reply" and "quote"?
Some links
* "Bottom vs. top posting and quotation style on Usenet"
http://www.cs.tut.fi/~jkorpela/usenet/brox.html
* "Quote Original Messages Properly in Replies"
http://email.about.com/cs/netiquettetips/qt/et090402.htm
* For italian readers
http://list.telug.it/pipermail/telug/2003-July/005217.html