If you want something like the Combo Updater, I am guessing you will have to do something like the installation options available with the command-R on restart.
The only option in the Recovery Drive is a full install but the only difference between that and the results of a combo updater should be the size of the download package.
The considerably longer installation time is another difference.
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire
