Well, a 2100+ beats a 2.0A (with PC800), and a 2200+ beats the 2.26 with PC800. A 2000+ would be close to a 2.0A speeds. So, anyuwayI don't think you need to reach 2.4 GHz at all to beat that 2000+, especially not with RDRAM. 2.0 GHz - 2.2 GHz should easily suffice.