hi all, this is my first post here but been looking around the site for a while. anyway I've had my mac since April 2006 and love it it. it's an intel core duo with 1g of ram.(512 when i bought it and got another 512) the last couple of months I've noticed the mac running far slower than it had, apps take longer to start up, apps are also not responding(ilife apps as well as others that i have downloaded) spinning beach ball appears regularly and twice in as many weeks I've had to repair my disk my using my install dvd. also I can no longer burn dvd's. tried using idvd and toast and everytime comes up hardware error unable to burn. burning cd's is no problem. could all these things be related?