Hello; first post, so please forgive me if I make Netiquette errors...

I used to use DOSBox 0.61 with no problems at all; however, since upgrading today to 0.62 I've found that Overlay mode works terribly under it now... It seems to be absolutely crippled, extremely slow, and the mouse cursor (extremly large one) seems to jerk around slowly of it's own accord. The problem goes away completely with OpenGLNB/OpenGL however. (I prefer to use Overlay because my monitor is very dark, and I use Gamma boost from my graphics card on overlays to make up for it)

System is this:

Win ME
PIV 1.3Ghz
Nvidia FX5200

The configuration, via Boxer, is this;

# Config file created by Boxer Version 0.61.6 [sdl] fullscreen=true fulldouble=true fullfixed=false output=overlay hwscale=1.00 […]
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# Config file created by Boxer Version 0.61.6
[sdl]
fullscreen=true
fulldouble=true
fullfixed=false
output=overlay
hwscale=1.00
autolock=true
sensitivity=100
waitonerror=true

[dosbox]
language=
machine=auto
memsize=64

[render]
frameskip=0
snapdir=C:\Games\DOSBox-0.61\snaps\
aspect=true
scaler=none

[cpu]
core=full
cycles=5000
cycleup=500
cycledown=20

[mixer]
nosound=false
rate=48000
blocksize=2048
wavedir=C:\Games\DOSBox-0.61\waves\

[midi]
mpu401=true
device=default
config=

[sblaster]
sblaster=true
base=220
irq=7
dma=1
sbrate=48000
adlib=true
adlibrate=48000
adlibmode=adlib
cms=false

[gus]
gus=false

[speaker]
pcspeaker=true
pcrate=48000
tandy=true
tandyrate=48000
disney=true

[dos]
xms=true
ems=true

[modem]
modem=false

[autoexec]
Mount C C:\Games\DOSBox-0.62\DosGames