I have both of those and a MSI K7T Pro2-a in the house.
A7V, I have all kinds of problems with including blue screens and lock ups. This however was an early revision of the board.
KT7 Abit, Good board few issues.
K7T MSI, Good board, I was able to get an additional 60MHz from my cpu using it. No issues at all
including IRQ sharing.
CPU (1) AMD Athlon@1313 MHz
Video Board NVIDIA GeForce2 Ultra
Video Mode 1024x768@16bits/pixel
RAM 256 MB
OS Windows 98 4.10.2222 A
Area Tested Value
CPU Integer........ 4004.181 MIPS
CPU Floating Point 1646.901 MFLOPS
Video(2D)......... 175.3078 MPixels/s
Direct3D.......... 592.0389 MPixels/s
OpenGL............ 488.3469 MPixels/s
Memory............ 3324.587 MB/s
Cached Disk....... 182.1168 MB/s
Uncached Disk...... 7.280894 MB/s