I found that nifty thing (among others) and was wondering if it is worth my while. Anyone have any experience with these? We got a new computer and it has like a million serial ports on the motherboard but only one regular old IDE that leads to the optical drive and I heard that when you try to plug a hard drive in between as the slave on these new computers that it will go really slow (which it indeed has been doing). The hard drive is brand new and so is the computer, and it's set to use DMA if possible in Windows XP, so I was thinking maybe converting it's interface to serial might make it normal. Advice? Thanks in advance!