There are a couple of options.
1. Get a standanlone DVD recorder and just plug your 8mm camera audio and video into it and make a DVD. There are units that have VHS and DVD recoring, you can make eather one from your 8mm.
2. Get a video capture card for you PC, hook the audio and video to the capture card, capture the video then burnit to a DVD.
3. Get MiniDV camera that has the analog to digitail pass through and hok your 8mm to it and then capture to the PC and burn to DVD.
#1 is probably the easiest, but it will be hard to edit the video. #3. would be the next logical choice if your planning to get a new camera. John