just to clarify.
Every time I hear people, especially Apple users, talk about MP3s I cringe.
People really need to acknowledge or become educated about the difference between AAC files and MP3 files. And there is a huge difference.
Basically MP3 is an older technology, not as good as AAC (AAC at 128 kb/s is superior to MP3 and the file size is smaller and the same is true for 256 kb/s (some actually claim that an AAC file at 128 kb/s is superior to an MP3 file at 256 kb/s from Amazon).
Apple by default uses a superior encoder. So if you buy music from iTunes or rip your on CDs, the default is AAC.
Please, enough of this MP3 crap.
AAC/MP4 is not necessarily better than MP3. It's all about the encoder and the encoding scheme. All MP3's are not created equal either, different encoders and settings produce completly different results. It's all based on psychoacoustics and tweaking sound based on algorithms that recreate the human psychoacoustic model.
Just because something is newer doesen't make it better. MP3 is an older standard and a more understood standard. AAC files could theoretically sound better as the scheme is newer, but it's potential has not been fully explored as much as MP3's.
Think of it like a gasoline engine. We've used them for years and can use them to their maximum potential. Now compare it to an alternative fuel source such as hydrogen. It's something that contains greater potential but at the moment is not exploited as well. Let's see a hydrogen car with 500HP, and maintain stability and reliability.
At 128 AAC files have been proven to sound better than an MP3 at the same bitrate in double blind testing. But compare that to a -v2 encoded LAME MP3, or even -alt preset standard and those AAC files sound like garbage. Check out
http://www.hydrogenaudio.org. I still use MP3's I can tell the difference between the low bitrate AAC's, and the sound bother's the crap out of me. Listen to the cymbals or higher frequencies in a lot of stuff, a lot of it get's washed out when it starts coming through your speakers. Most people don't even notice but a trained ear can pick it out easy. I can usually even tell what bitrate and what format a song is in just by hearing it play. I think that's amazing but these guy's at hydrogenaudio basically take this to an entirely new level.
Anyway just wanted to clarify that. I think it'll be awhile before any standard is proven as the best. MP3's are just the most widespread, and therefore the most referenced.
BTW YEAH I used to love Winamp, cuz it was small and worked fast,but can't use it due to my iphone on my PC. (On my mac i obviously use iTunes).
On windows and mac that thing eats up WAAAAAAAAAAAAY to much memory and runs to sluggishly. They really need to streamline their approach, make it more versatile for people's ever increasing library sizes.