Hi All I'm very curious so as to everyone's casual explanations for what could cause the up-and-down pattern visible in this hit-ratio graph: http://imm.io/XkQ4 I have my own ideas but will reserve them for the time being so as to allow you to share an unbiased opinion first. :-) Coenraad Loubser WISH Networks (Pty) Ltd. 2nd Floor, Merriman Place, Cnr. Merriman & Bird Str, Stellenbosch, 7600, ZA Skype: Wish_Support Web: http://wish.org.za