The discussion centers on the comparison between the MSI Big Bang Mpower Z77 and the ASUS Sabertooth Z77 motherboards for a new Ivy-Bridge gaming PC build. Opinions are divided, with some users expressing a strong preference for ASUS due to past negative experiences with MSI, citing issues like slow performance, buggy drivers, and even a motherboard that caught fire. Conversely, others argue that the MSI board has received positive reviews and offers more features than the ASUS model. There is a call for potential buyers to consider long-term user reviews rather than relying solely on brief website tests, with some participants emphasizing the importance of repeated testing over time to assess reliability. The discussion highlights a mix of personal experiences and technical evaluations, ultimately reflecting a debate on brand reliability and performance in gaming motherboards.