Thanks for the advice - it's been the final push I've needed to switch to Firefox for my default browsing. Obviously I'll have to keep IE for some stuff, but I've installed a couple of extensions and am quite happy with it. I'll keep using Outlook for a bit though - just because I don't think it's that easy to switch. But I may try running thunderbird as a secondary system. I've already got Spyware S&D, although it was having trouble in removing AdTools, while the Microsoft effort, despite apparently being very good, seemed to cause this problem in the first place. Just bad timing, or something more?... I only use the SP2 Firewall but coupled with AVG from Grisoft and a refusal to click on attachments has meant that I'm not normally troubled by virii. How's that for tempting fate? I do use Linux a bit, but only in a fairly cursory way - if I had more time to learn another operating system, I'd spend that time doing something useful. Mac Mini? I'm planning on getting one in the near future...probably after I move house. I'm not expecting to be knocked on the floor by it - but it's a new toy for me to play with (and I quite fancy turning it into a media centre).