Here is the breakdown
V9280S/TVD (SuperFast) : GeForce4 Ti 4200-8X, AGP 8X, 128MB DDR, TV-out, Video-in, DVI, 2nd VGA. using an 8-layer Ti 4600 PCB a 275MHz core speed, and a 600MHz memory. Samsung 3.3ns BGA RAM chips
V9280 VS (Video Suite) : GeForce4 Ti 4200-8X, AGP 8X (Fan Speed Control), 128MB DDR, TV-out, Video-in, Dual DVI, 2nd VGA.
V9280 TD : GeForce4 Ti 4200-8X, AGP 8X, 64MB/128MB DDR, TV-out, DVI, 2nd VGA
The 9280TD and VS are running at 3.6ns RAM chips.
The retail for these things have pretty staggering differences
9280S retail: $215
9280TS Retail: $130
9280VS retail: $150