On a refurbished iMac (1.25 GHz, 17" with 512 MB of RAM) straight from Apple with a clean install of 10.3 and then immediately upgraded to 10.3.3 we are seeing Safari and Mozilla stalls on numerous Web pages. The web pages load half way but mostly without images. IE (God forbid) is displaying the SAME pages normally. I have checked all the network settings (32 Mbps cable connection), etc., run disk permissions, examined the Safari (and Mozilla (1.5)) preferences--but everything seems normal. I have also cleaned out the cache and cookies but that makes no diference.
Any other suggestions?
The machine is running normally in every other way; it has iSight and iChat and that works normally too.