diff --git a/TODO b/TODO
index 254fb395..c43f1c22 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,15 @@
 
+- tools subdirs are now pretty stupid :-( just have a single dir
+
 - int bicubic needs more precision? try a 10x upscale and compare to the
   double path
 
+  yes, looks like a rounding problem? 
+  
+  upscale 10x, you get a small offset if you compare the double and int paths
+
+  and slight banding
+
 - test
 
 		python setup.py build_ext