Updating Hackintosh can be tricky when you don't have the knowledge to do that. You can break your system, lose all your data and ending up installing OSX86 again. In a record time after Apple released their update, you can update your Hackintosh almost with the same comfort as original Apple owners, thanks to Kalyway and JaS. Day after 10.5.3 was visible in Software Update JaS and Kalyway made their updaters and made them available on torrent sites.
Kalyway 10.5.3 update instructions can be found here
Kalyway update is 544.9 mb, I can't where you can find it.
JaS update is fully automatic, so you don't have to use Terminal. If you can't see SMB shares after updating use NetFix
JaS update is 523.49 mb, just look for it and you will find.
People report problems running Nvidia graphics, but that should not be a problem for Hackintosh. If you do have problems with other devices like Audio, just reinstall drivers you have already installed, that should help.
There isn't a Leo4All updater yet, eddie11c recommends updating it the manual way with original Apple combo update, link to this guide can be found here: Hackintosh safe update to 10.5.3
Update: Updating to 10.5.5 from 10.5.3, short guide.
