There is now a large selection of surround for your Do-It-Yourself speaker repairs.
Surround Kit Spec Sheet
If the only problem with your speaker is that that the surround has been damaged, then you can replace the cone edge and rock on.
You can watch a how to video and then order the parts you need from The Speaker Exchange.
Tell us about the trials and tribulations of your repair and send us before and after pictures and we’ll post your successes for all to see.