Yeh, it's a real problem. Especially, when it comes to the latency timimg on the new chips. One of my suppliers accidently sold me 2 supposed match chip sets and one was 2.5 latency and the other was 2.7. Obviously when booted up the system didn't work properly and it took a return to basic troubleshooting to find the problem. I never remove chips to clean, just use a can of air to blow out the system myself. Take care!