i don't think we have a key combination to enter recovery mode. but you can boot into recovery mode by means of an app, quick boot. i've not tested recovery mode yet, i only use it for its reboot function. it has the capability to boot into flash mode as well (??? what for i do not know)
Sensuous Black Xperia X10i on 2.1-update1, rebranded, rooted, JIT enabled
I would like to modify framework.jar which is being used by the device all the time. I understood that the only way of doing it is by entering console recovery mode (not regular recovery).