Gmail thread properly?

[Phil Labonte <plabonte gmail com>]

When I try to reply with Gmail and snip out pieces of a post, Gmail
does not seem to do it right, sometimes it will treat the text I add
as quoted text.

Is there a way to get Gmail to work properly or should I use a
different email client?
And if so which one is the best to use (under Windoze)?

Thank.
-- 
Phil Labonte
plabonte gmail com