diff --git a/TODO b/TODO
index 8367ada..381384a 100644
--- a/TODO
+++ b/TODO
@@ -8,3 +8,10 @@
 * Switch to squashfs-lzma
 
 * Switch to aufs (less important that lzma)
+
+* Add 'needsupdate' function to check if a squashfs image in the
+  iso dir is up to date, if so, skip it; else rebuild it. No more
+  need for the -f flag
+
+* Remove the need for the -f flag overall. We should be able to do
+  all this intelligently