Ever since creating my existing TMS9918 / TMS992x VDP Display Card, I've thought that I'd also like to play with the TMS's more capable successors, the V9938 and V9958 VDP's. Also known as the MSX-Video Display Processors.
The V9938 also greatly expands on the TMS9918 families capabilities, offering more display modes and twice the resolution.
Read all about it here: Minimalist Europe Card Bus (MECB) - V9938 / V9958 VDP RGBS Display Card