OS update question?

[inc188]

hey all,

 

i just check for updates on my Iatkos 5.1 system,

 

everything is running great for me and i am not sure if i should download these updates from Apple or not, i dont want my system bricked,

 

here is the list of updates available,

 

1. Apple Remote Desktop 3.2.2 Client Update

 

2. Airport extreme update 2008-004

 

3. Security Update 2008-007 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

 

For information on the security content of this update, please visit this website: http://support.apple.com/kb/HT1222.

 

 

THanks alot,