Edit :
Aiyak.. check mdeejay.. saying this 2.5 is final update, and there wont be anymore everyday update...
but 2.5 dont have all those cool animations la.. no flying, and no glowing popups all....

Added on May 11, 2011, 1:12 amLooking at this thread
One Click Eng S-Off , custom rom also can perform the ENG S-Off, so I dont think you will need to revert back to stock then only do the S-Off...
Also, after flash new custom rom, then flash radio, then optional only wanna flash RIL.. coz all nowadays the RIL for GB rom already use the 12.54 wan...
Unless, you want to flash a different radio laa
regarding 5.1.4 or vivo 2.4, up to you lor bro

I assume 5.1.4 is RevoHD.. that one just upgraded version of stock rom
vivo 2.4, have macam2 goodies..
you try and see lor.. experiment what you like..

i tot have to revert back to 1.32 base to do eng s-off ? anyway i have done the eng s-off thingy, going to flash radio 1st, as still waiting for vivo 2.5 to finish downloading. so how to flash ? AMT or android controls or normal conventional way ?thx !