ok take a look at this picture here 9800 pro
notice the power connecter in the top right corner, to the left of that is a silver cylinder then to the left of that a little black heatsink. That black heatsink is on a chip. that chip (still attacted to the heatsink) is mostly off, it's still barly hanging on to the card but it's certainly not connected as it should be.
As for going PCIE i just checked around and I can't find a motherboard that has PCIE and supports a XP bartron 2800+
that would mean new MB new processer and new vid card....I'll be lucky if I can come up with 250 for a vid card....So PCIE is out of the question now