Restoring from Time Machine from Snow Leopard to Lion

Hi!

I had to wipe out my whole drive, now I upgraded to Lion.

All my time machine backups are from Snow Leopard.

So, I have 2 questions:

1) How do I back up ALL the files? Everything, including applications. I looked at Apple's website and pressed command + R on startup, but nothing happened.

2) If I do a full restore, is it going to be fine even though I'm going from Snow Leopard to Lion? I don't want files to be all messed up or it to reinstall Snow Leopard or something.

Thanks for your help!

1) Run Migration Assistant and select all.

2) No Migration Assistant is very smart.

But I personally would only restore the User Accounts and just reinstall the Apps as required, ensuring you have the last Lion versions as you go. Esp. Printer Drivers and the likes.