This is a difficult one to answer. I am taking the plunge though
You deleted sda1. All your Windows boot files seems pretty ok to me but there is something that partition had to do with.
If you can't find any other fix, I would suggest to boot from a Windows 7 repair disk (if you don't have one, Google and download it, easily available) and perform startup repair at least 3 times. Or follow bootrec.exe tutorial here.
http://support.microsoft.com/kb/927392
Once you are able to boot Windows normally, you'll need to re-install Grub2. Boot an Ubuntu Live Disc/USB and follow these commands.
Code:
sudo mount /dev/sda3 /mnt
Code:
sudo grub-install --root-directory=/mnt/ /dev/sda
Reboot and boot Ubuntu from hard disk. If Windows is not listed, from your installed Ubuntu's Terminal, run this command.
Hope all your problems will be solved.
Good Luck!
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