Sure if your talking about specifically missions
then d/l the "MBFL mod" from my FF page
thats
"Mission Builders Fast Loading" mod.
see this thread about the details
It works fine on 2.0 but you must read the readme
as it disables your campaign ability completely while
active.
http://www.subsim.com/radioroom/showthread.php?t=103633
regards
M
p.s for the record when I was loading my Type IID test mission this morning in GWX2.0
my load time from button click to in the control room was 37 seconds.