This is still an unsolved issue, even though much time was spent trying to fix it.
TheGreyGhost also helped very massively to narrow down the lag/stutter problem:
http://www.minecraftforge.net/forum/index.php/topic,18594.msg96257.html
I'm pretty curious if 1.8 will fix this problem by itself, otherwise I have to come up with something else.
EDIT: It doesn't -.-
This is still an unsolved issue, even though much time was spent trying to fix it.
TheGreyGhost also helped very massively to narrow down the lag/stutter problem:
http://www.minecraftforge.net/forum/index.php/topic,18594.msg96257.html
I'm pretty curious if 1.8 will fix this problem by itself, otherwise I have to come up with something else.
EDIT: It doesn't -.-