I think you'll recieve a filthy sound quality if you record through your MIC-IN - I've never tried it but thats what everyone told me. Ideally, you need a proper LINE-IN. I use a audiophile USB soundcard (around 160 quid), probably one of the best soundcards on the market for that pricerange. Though you can certainly buy much cheaper ones with simple LINE-INs... Although I think you can still use the MIC-IN, dont recommend it though...

Next you want ideally, Soundforge (exspensive programe, but one thats worth its salt if your doing a lot of audio stuff on your computer). Record the set through a programme like that, make sure you use the highest Freq rates and lowest latency possible. After you recorded your set, change the sound so its at 44,000hz (CD quality) and 16 or 32bit. Export the soundfile into wav. or aiff (for filthy mac users)...

You're left with a Sound file thats just one big ****ing mix. Ideally you want to layer and tier it with Track numbers and infomation. To do this you need to get a copy of WinAMP (free) and winCUE (also free). With winCUE (I think its called this, I also think someone will correct me if its not) you can 'chop' up the track by programming track markers at say 0.00, 3.20 and so forth - whenver you want track 1 to start, track 2 to start and so forth. (its not auctually difficult, the progs easy to use, this just sounds difficult).

Once you done this, you can SAVE the cue file (yourmix.cue) for example. Then you use NERO (gotta be NERO, anything else dosnt come close). You add the sound wave to the Burn list, then you "BURN IMAGE" and select the CUEFILE you used. Nero burns the CD but hey presto, your CD will have track numbers and names just like the ones u buy in the shops!