yes , it's possible i have 5 partitions and 5 giga for applicatios and i have NITDroid 0.0.9 on mmcblk0p4 and custom gingerbread on mmcblk0p5 and also NITDROID 0.0.8 on mmcblk1p2 but i will delete it if u want the guide tell me and i will write the full guide to u