Thanks Julio for the heads up on this review, if you are like me and own a Geforce 4 Ti4400 you might find this article interesting (even though its based for a Ti4200)
Excerpt: Save those big bucks and bring new life to your GeForce4 Ti4200 videocard. We explain you in a detailed article how to voltage modify your Ti4200 board in order to achieve speeds above those found on the more expensive Ti4600's.
In our tests we were able to clock a vanilla Gainward board @ 340/650 MHz; making a total gain of over 30% for both core and memory speeds.
View: How to Volt-mod your GeForce4 @ Techspot