You can edit the build.prop from /data/local/rootme/loop its a mirror image of /system using my root method.
I need a build.prop file from an a500 running ICS to get our tab more apps...
Sent from my MB860 using XDA App
Gotcha! I requested the ICS build.prop at the a500 forum. Hopefully someone will reply back to me.
EDIT: I downloaded the ICS leak for a500 and extracted the build.prop file in the system folder. See attached.
Here's the source for the leak ICS
http://xdaforums.com/showthread.php?t=1510749
Here's the content:
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=IML74K
ro.build.display.id=Acer_AV041_A500_0.009.00_WW_GEN1
ro.build.version.incremental=1328620975
ro.build.version.sdk=15
ro.build.version.codename=REL
ro.build.version.release=4.0.3
ro.build.date=Tue Feb 7 21:23:29 CST 2012
ro.build.date.utc=1328621009
ro.build.type=user
ro.build.user=pandora
ro.build.host=pandora03
ro.build.tags=release-keys
ro.build.sku=WW_GEN1
ro.product.model=A500
ro.product.brand=acer
ro.product.name=a500_ww_gen1
ro.product.device=picasso
ro.product.board=picasso
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=Acer
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=tegra
# ro.build.product is obsolete; use ro.product.device
ro.build.product=picasso
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=a500_ww_gen1-user 4.0.3 IML74K 1328620975 release-keys
ro.build.fingerprint=acer/a500_ww_gen1/picasso:4.0.3/IML74K/1328620975:user/release-keys
ro.build.characteristics=tablet
# end build properties
ro.opengles.version=131072
wifi.interface=wlan0
keyguard.no_require_sim=1
ro.dinfo.version=1.0
ro.cpu.vendor=nVidia
ro.cpu.speed=1.0 GHz
ro.cpu.version=T20
ro.sf.lcd_density=160
#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.config.notification_sound=OnTheHunt.ogg
ro.config.alarm_alert=Alarm_Classic.ogg
ro.error.receiver.system.apps=com.acer.android.nidus
acer.sync.adb.mode=ENABLED
ro.setupwizard.mode=DISABLED
dalvik.vm.heapstartsize=5m
dalvik.vm.heapgrowthlimit=48m
dalvik.vm.heapsize=256m