Thanks to Visionary @ VR-Zone.com for sending this in! Due to numerous requests, VR-Zone has posted the beta BIOS for EPoX 8K3A+ dated 10th Oct. Among the changes are:

Added AMD Athlon(tm) XP 2700+, 2800+ support. Updated HighPoint BIOS Download EPoX 8K3A+ Beta BIOS 10th Oct