Fitted DDR400 512Mb memory just now. I'm here, so it works. Only minor abrasions from fracas with sticky fingered son and heir, but went more rounds than I'd bargained for. Probably self delusional, but seems a fraction quicker than before. Will order new memory and then be up there with the big boys.(1 whole Gig!!) @Twiggs I'll give it a go re. graphics memory, but not too bothered as ambitions limited about games etc. Would it speed up photo editing if I had a better graphics card? I don't do video. Thanks to you both for the help. TT