i reckon the 828mk2 does help on proformance. i got 1 and i havnt beening using it for about 2 months and since then i had an extra gig of ram put in my mac makes 1.5gb. and the proformance is no where ner wot it was like when i was using the 828mk2. and when i was use thw 828mk2 i only had 756 ram init then. ya need ta tri 1 out on your setup for you ta realy know. and this is just how ive found it on my set up.