Lower-midrange ?the only saving grace I've seen for the 9600GT is its SLI efficiency, but doing SLI with lower-midrange cards seems to be SLI for SLI's sake to me.
Dont know where you're getting your facts from, overclocked, this card nears stock 8800gt performance, and in some cases equal.
http://www.guru3d.com/article/xfx-geforce-9600-gt-xxx-512mb-review/9
http://www.guru3d.com/article/xfx-geforce-9600-gt-xxx-512mb-review/12
And when i said its weak
9600 GT is quite weak