Based on Gmail 2.x - remove ads and widen message body.

Removes all ads, but keeps important buttons like "Print all", "New window", "Expand all" and "Forward all"

Update (Feb 19 2008)
- Changed position of the "New window" and "Print all" links
*** I hope that this is the most rational solution. Elsewhere links hinder the basic elements of the interface. Please rank it! ***
.yMuNaf {
position:absolute !important;
left:0 !important;
top:23px !important;
}

.jsbnre {
padding-bottom:28px !important;
}

Update (Feb 16 2008)
- Changed position of the "New window" and "Print all" links (Thanks to Maxx@userstyles)
.yMuNaf {
position:absolute !important;
left:450px !important;
top:-30px !important;
}

Update (Jan 25 2008)
- Added
[class*="gV2Gwc"]{
width : 99% !important;}
Makes the text area for typing the reply of the same length as the original message. (Thanks to florentin@userstyles)

Update (Sep 26 2008)
- Added
.iFOJMb {
display:none !important;
}
Thanks to Maxx@userstyles