Hi All I would like to replace my stock CD head unit on my 08 ZRE Corolla. I find it unbearable that it swallows CD's and spits them back out at its leisure. I've done some research on the internet and its a common problem. I doubt given the age of the car, a replacement under warranty would rectify anything. So now I have an excuse to upgrade my head unit. I'm leaning towards some of the Pioneer/Alpine ones with MP3/iPod/USB connectivity. My questions are as follows: 1) Where can I get HU's installed at a good price? I'd rather leave it to someone who knows what they're doing. I'm located in Sydney metro region. 2) Given that the space is double DIN, will the installer be able to fit a gap filler as the stock HU is slightly wider? Will I have to source this myself? If so, where can I obtain this? 3) Should I be upgrading speakers? I've previously read here that the audio logic in the newer Toyota's are strange and replacing the HU will make the sound worse on stock speakers. Should I be matching brands with the HU? Thanks for your help guys.