-= Renew PS3 Encryption Key =-
If i was you i wouden update. the latest update sony have provided is causing alot of problems, such as not being able to read blue-ray movies and games. (3.00/3.01)
I know you dont see it this way, but i acaully see you as a very lucky person that you havent updated your machine yet, my ps3 dont work anymore after i updated, or it does work, but it just cant read any blueray games or movies.
But if you have a ps3 slim you probaly wont have this problem, its more older models that suffer under this bug. :(
i dont know what your current firmware is, but if its way below 2.80, then your still in the safe zone, cuz if you own a usb memory stick you can transfer the 2.80 update to ( USB-ROOT\PS3\UPDATE\PS3UPDAT.PUP ) and then unplug it from your computer and insert it into your ps3 and then try the update from local storeage.
i hope you can use this :o)