The only people that will know for sure are dell or the manufacturers of the motherboard. The reason i say this is because apart form having to be physically compatible the BIOS needs to have that CPUs microcode. So you will need to either ask them or find someone that has upgraded.
It depends upon what the FSB/mem combo can handle. I have an 8200 also and had to get a new motherboard since the original fried. I had a 2.4GHz processor and put it in, but it was down-clocked to 2.0 because the FSB of my board was lower than the FSB of the processor.