> There is nothing in the market that can do these things.

Yes, there is... if that's the complete set of things. The iPad can do this.

ebooks/pdfs, browsing, videos, TV hookup - all there and straightforward.

text editor and git (GitHub, in this case): http://worqshop.com/

there are also other editors that have SFTP and SSH programs.

I'm not saying you should replace your current computer with an iPad. I'm saying that based on the list you've given here you could.