I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
PS3 Firmware Update 4.87 Is Out, Here Are The Details
Sony PlayStation 3 PS3 Slim 160GB Console (CECH-2503A) Firmware 3.55 160GB PS3 711719177364 | eBay
Sony Releases PS3, PS Vita Firmware Updates | PCMag
PlayStation 3 - Wikipedia
Sony issues fix for broken PlayStation 3 firmware - GameSpot
PS3 Owners Sue Sony Over Firmware Update - Top Class Actions
PS3 firmware 4.84 released | GBAtemp.net - The Independent Video Game Community