It depends on which ones you are looking for. If you want to buy them on DvD, I would check some of the auction sites like eBay or even check out amazon as some of them may still be in print.
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you need a Computer a capture card/TV tuner Card and a VHS player to do this
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Simple connect the Video out of VCR to the capture card A/V input or Tunner Card Antenna input
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open movi maker or any software
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change the source input
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Just play your VHS Video
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capture them to computer in uncompresed Format (you need atleast 40 GB free space on harddisk)
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Then click create DVD with Menu
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Burn them finnally
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