diff --git a/TODO b/TODO
index 362dd6d..009ef69 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,9 @@
-* Modify T_FSPath so that case-sensitivity and drive letter support are
-  handled at runtime
-* Tests for T_FSPath
+* Filesystem:
+  * Implement List() on Windows
+  * Tests for T_FSPath
+  * Tests for Filesystem
+* VFS
+  * Tests
 * Tests for T_ArrayHelpers
 * Generalize iterators
   * Hash tables