Did you check the md5 sums for the cds?
If you are having a serious problem, I would take the isos on a cd (the actual isos not the burned iso) over to a friends place and try burning there.
Also burn them very slowly, they are notoriously bitchy about being burned at high high speeds. It may help if you talk to it while it is burning at 4x
If none of that works, then take your hd out of your computer, go to a friends place, install it from the cds, then come home.