Do you have access to another computer? And do you have a 4gig or larger USB stick? If you do I would use the Windows 7 USB/DVD tool to make a bootable USB stick and try the install from there. It sounds like a bad burn to me.
If you can I'd try a different dvd burn. Had some trouble installing onto my friends new SSD locking up at the password setup. I'd taken care to burn it onto a nice Verbatim disc and verified, put it onto a cheap dvd and worked fine...go figure!
What interface is the SSD using ?? -- Most MOBOs have a separate controller for the SATA III devices (6GB) that requires special drivers be loaded before they can be used so if using a newer SATA port make sure that the drivers for it are on the USB stick as well so they can be installed.
You will have to dig around and look for SATA mode, the options will be AHCI or legacy IDE mode. If you are using an SSD it is better to be in AHCI as that will automatically switch on the trim stuff in Windows. I'd imagine that Windows 7 has the drivers for a lot of controllers already but might be an idea to pop the SATA drivers on a flash drive.