General help - Coming from a OG Evo

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http://forum.xda-developers.com – I am an OG Evo owners and just getting back into flashing and trying out different roms. Back when I would flash custom roms, the tool of choice for backing up data+apps was Titanium backup. Has this changed? I am on Blazer 1.7 right now and would like to update to 1.9 but I don't want to lose all of my data and apps. He says something in his OP about there being an update.zip, but I don't see it anywhere. Is this pretty common for devs to include a update.zip that lets you seamlessly upgrade from version to version of the same custom rom? With the OG Evo, you couldn't back up data fr (HowTos)