While the Leadtek warranty is supposedly 1 year, it might as well not even have one. Below is the reply I recieved when requesting an RMA for a GeForce 2 MX Dh Pro which developed a problem after only 7 months.
Dear Sir
It is pity
Suggesting you ask the local dealer for a help
they will help you to test and repair the card
Best regards
This was after 3 e-mails and furious quoting of the warranty in the manual. The previous 2 responses were the same, minus the "It is pity" part.