ROM Manager, a staple app used by practically anyone who roots and switches ROMs often, has just added support for both delta (incremental) updates and TWRP recovery. Delta updates (downloads, really) will let users who are downloading and flashing new ROMs -- like those of you on nightlies -- just download and apply the new portions of the ROM, rather than the entire thing. If you have a previous zip file of your ROM on the device, ROM Manager will send you an incremental zip (of about 20MB) to apply and get the changes. This will save a lot of time, battery and data when flashing updates to the same ROM over and over again.
The latest ROM Manager also supports TWRP (Team Win Recovery Project), so if users prefer that over ClockworkMod Recovery, they can flash it directly through the app rather than separately. If you're not using ROM Manager yet, give it a look at the Play Store link above.
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