The release of the IE8 BETA version made me unable to resist the temptation to download it and give it a try. However, after installation, I found that many aspects were not satisfactory, so I uninstalled it and reverted back to IE7 after a short trial. I'll wait for the official release of IE8 before using it again ^_^. Later, I discovered an issue when browsing DZ forums —— uploading files would prompt "Invalid image file" (this issue was not found on other forums), as shown in the following screenshot: