You could start off on the right foot in these forums by reading stickies, like Duck said. You said you're some experienced wanker and it would really help your image here if you first got a feel for the general opinions of this community first.
The Official Suggestions Sticky
The Don't-Suggest List[/b]
→ Destructible terrain, liquids, (http://img241.imageshack.us/img241/766/emotsirenta8.gif)VEHICLES(http://img241.imageshack.us/img241/766/emotsirenta8.gif), mobile polygons (these would require a gigantic map format change as already covered above, they would be huge changes to gameplay which would disgust many players, even more glitches would result from them, etc.)
The original post from which this was excerpted may be found here (http://forums.soldat.pl/index.php?topic=7292.msg84237#msg84237).