IL3 Cache Recommendations and Explaination

Can someone point me in the right drections?
I need detailed info on the benefits of IL3 Cache when considering new
hardware.
Thanks,
-BenSee:
http://www.sql-server-performance.com/jc_processor_performance_update.asp
http://www.2cpu.com/articles/99_1.html
GertD@.SQLDev.Net
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"Ben" <bmilliron@.gmail.com> wrote in message
news:O3dNLmekEHA.3152@.TK2MSFTNGP12.phx.gbl...
> Can someone point me in the right drections?
> I need detailed info on the benefits of IL3 Cache when considering new
> hardware.
> Thanks,
> -Ben