With your 6,2 ivy you get easy top 10 without storage;)
or you look on ebay for areca used:) 300 Euro and you have a good start in storage:)
http://hwbot.org/submission/2290612_lautajo_pcmark_2005_core_i7_3960x_50472_marks/
What about this guy? Pretty shure ramdisk ramcaching in action... and 2g startup is 10 Times over 220mb