About to purchase a 24" iMac - Any Audio Line In issues?

having read this thread... http://discussions.apple.com/thread.jspa?threadID=642356 i'm worried about the new 24" iMac being plagued with Audio Line In crackles and pops when recording audio. eg - GarageBand, etc.
My current Mac, a Power Mac Dual 2ghz G5 (1st gen) had similar issues, why can't Apple get Audio Input right?
I use Logic Express, but I assume if there's a hardware problem it will be present in all apps.
Can anybody confirm if these issues are present before I make my purchase? Thanks.
Dual 2Ghz G5, 2.5GB RAM, 500GB HD, 250GB HD Mac OS X (10.4.5) ATI RADEON 9800 PRO 256MB

Mark, this is a hospital ward. There will always be someone who has some issues. The chances of your getting a specific issue yourself in two separate machines are very slim unless the software itself isn't written right.
Some crackles can be explained by audio file compression. When you compress audio, occasionally data corruption and other issues get caught up in the mix. It is best if you record audio uncompressed if you want the best quality for your audio, or if you use compression, use it at a high enough bit-rate to satisfy your audiophile ears.
Don't worry about getting the issue, and if you do get the issue, that's why you have AppleCare.

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What were your steps in ripping the Audio from the CD? I strongly recommend that one rip the CDA files to PCM/WAV 48KHz 16-bit. Now, the Audio is in 44.1KHz on the CD, so you would do the conversion to 48KHz in, say Audition. Do not compress this CD Audio to anything, like MP3. I like doing the ripping in Audition, and then just Save_As, setting the sample rate to 48KHz for DV Audio.
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About to purchase a 24" iMac - Any Audio Line In issues?

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