I've had a PP&C Silencer 750CF (the red one) in my gaming PC since mid-2008. I've used the Silencer PPCS500 in another PC since the beginning of 2009 with no complaints. Like just brew it!, I don't know how much they've gone downhill since being acquired by OCZ.
i7-2600K, H70, P8P67-M Pro, 16 GiB, HD7950, SSD, 3 HD, Blu-ray, X-Fi Ti Pro, Antec P182, S75CF, 3007WFP+2001FP, RK-9000BR, MX518
i5-3570K, GeminII-S524, P8Z77-M Pro, 16 GiB, HD7770, SSD, 2 HD, Blu-ray, InifiniTV4, NSK2480, 55" TV; Asus UX32VD