hey, will there ever be a Test4?
possible to import t mobile theme engine or opengl es 1.1
and updates here and there, with your newer kernel already in it?
Test4 will happen if t-mobile releases a froyo ota updating the current MT3G official rom.
Otherwise you are looking for a diffrent rom.. and most of what you are asking about is the goals of ezgingerbread.
(FYI if you install Test-3 via rom manager it will install the 20110222 kernel automatically.)