I am going to be buying a 3rd harddrive, for which i need an ide controller (no, im not going raid), i really have 2 choices, <A HREF="http://komplett.co.uk/k/ki.asp?action=info&p=22908&t=196&l=2&AvdID=1&CatID=15&GrpID=1&s=pl" target="_new">one with a BIOS</A> and <A HREF="http://komplett.co.uk/k/ki.asp?action=info&p=22904&t=196&l=2&AvdID=1&CatID=15&GrpID=1&s=pl" target="_new">one without (aboot £4 cheaper)</A>. Which should I get? How necessary is a seperate bios on the controllers?