[Asus Transformer TF701] sbdags:
Yes but I can't remember if it wiped ot not :)

Anyway I just checked Asus' updater script and there is nothing in there that wipes data. It formats system of course so maybe you'll be OK unless the bootloader blob flash wipes data........

assert(getprop("ro.product.device") == "K00C" ||
getprop("ro.build.product") == "K00C");
show_progress(0.500000, 0);
format("ext4", "EMMC", "/dev/block/platform/sdhci-tegra.3/by-name/APP", "0", "/system");
mount("ext4", "EMMC", "/dev/block/platform/sdhci-tegra.3/by-name/APP", "/system");
package_extract_dir("recovery", "/system");
package_extract_dir("system", "/system");
symlink("Roboto-Bold.ttf", "/system/fonts/DroidSans-Bold.ttf");
symlink("Roboto-Regular.ttf", "/system/fonts/DroidSans.ttf");
symlink("libGLESv2.so", "/system/lib/libGLESv3.so");
symlink("mksh", "/system/bin/sh");
symlink("toolbox", "/system/bin/cat", "/system/bin/chcon",
"/system/bin/chmod", "/system/bin/chown", "/system/bin/clear",
"/system/bin/cmp", "/system/bin/cp", "/system/bin/date",
"/system/bin/dd", "/system/bin/df", "/system/bin/dmesg",
"/system/bin/du", "/system/bin/getenforce", "/system/bin/getevent",
"/system/bin/getprop", "/system/bin/getsebool", "/system/bin/grep",
"/system/bin/hd", "/system/bin/id", "/system/bin/ifconfig",
"/system/bin/iftop", "/system/bin/insmod", "/system/bin/ioctl",
"/system/bin/ionice", "/system/bin/kill", "/system/bin/ln",
"/system/bin/load_policy", "/system/bin/log", "/system/bin/ls",
"/system/bin/lsmod", "/system/bin/lsof", "/system/bin/md5",
"/system/bin/mkdir", "/system/bin/mount", "/system/bin/mv",
"/system/bin/nandread", "/system/bin/netstat",
"/system/bin/newfs_msdos", "/system/bin/notify", "/system/bin/printenv",
"/system/bin/ps", "/system/bin/reboot", "/system/bin/renice",
"/system/bin/restorecon", "/system/bin/rm", "/system/bin/rmdir",
"/system/bin/rmmod", "/system/bin/route", "/system/bin/runcon",
"/system/bin/schedtop", "/system/bin/sendevent",
"/system/bin/setconsole", "/system/bin/setenforce",
"/system/bin/setprop", "/system/bin/setsebool", "/system/bin/sleep",
"/system/bin/smd", "/system/bin/start", "/system/bin/stop",
"/system/bin/sync", "/system/bin/top", "/system/bin/touch",
"/system/bin/umount", "/system/bin/uptime", "/system/bin/vmstat",
"/system/bin/watchprops",
"/system/bin/wipe");
set_perm_recursive(0, 0, 0755, 0644, "/system");
set_perm_recursive(0, 2000, 0755, 0755, "/system/bin");
set_perm(1000, 1000, 0755, "/system/bin/mount_apd.sh");
set_perm(0, 3003, 02750, "/system/bin/netcfg");
set_perm(0, 0, 0755, "/system/bin/ping");
set_perm(0, 2000, 0750, "/system/bin/run-as");
set_perm(1014, 2000, 0550, "/system/etc/dhcpcd/dhcpcd-run-hooks");
set_perm(0, 0, 0544, "/system/etc/install-recovery.sh");
set_perm_recursive(0, 0, 0755, 0555, "/system/etc/ppp");
set_perm(0, 2000, 0755, "/system/vendor");
set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/etc");
set_perm(0, 0, 0644, "/system/vendor/etc/fallback_fonts.xml");
set_perm(0, 2000, 0755, "/system/vendor/firmware");
set_perm(0, 2000, 0755, "/system/vendor/firmware/bcm4324");
set_perm(0, 2000, 0755, "/system/vendor/firmware/bcm43341");
set_perm(0, 2000, 0755, "/system/vendor/lib");
set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/lib/drm");
set_perm(0, 0, 0644, "/system/vendor/lib/drm/libdrmwvmplugin.so");
set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/lib/hw");
set_perm(0, 0, 0644, "/system/vendor/lib/hw/power.macallan.so");
set_perm(0, 2000, 0755, "/system/vendor/media");
set_perm(0, 2000, 0755, "/system/vendor/pittpatt");
set_perm(0, 2000, 0755, "/system/vendor/pittpatt/models");
set_perm(0, 2000, 0755, "/system/vendor/pittpatt/models/detection");
set_perm(0, 2000, 0755, "/system/vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.7");
set_perm(0, 2000, 0755, "/system/vendor/pittpatt/models/detection/yaw_roll_face_detectors.6");
set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/pittpatt/models/recognition");
set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/recognition/face.face.y0-y0-22-b-N.bin");
set_perm_recursive(0, 2000, 0755, 0755, "/system/xbin");
show_progress(0.200000, 0);
show_progress(0.200000, 10);
package_extract_file("boot.img", "/dev/block/platform/sdhci-tegra.3/by-name/LNX");
show_progress(0.100000, 0);
nv_copy_blob_file("blob", "/staging");
unmount("/system");