i say fuck letters.. start using symbols.
$_$ < good production values
@_@ < Shocking, extreme, action !
-_- <lame, wtf man...
¤_¤ <another.. symbollic.. erm.. yea i dunno wtf this is.. looks like it's constipated.
Ok.. making a review of these
$_$ @_o <-- Awesome looking, half action packed game.. voila..
... lol :P
Anyways, seriously i think a 10 point system is the best :) (you should do decimals though. Like .1 and not just .5)
ULTRA EDIT: On another thought, do it like TWRoO suggests. ... crap blue XD
It's a very good idea, and it might steam away some of the more rabid fanboys.. :P