diff --git a/britney.py b/britney.py
index cc82b47..f602745 100755
--- a/britney.py
+++ b/britney.py
@@ -1340,12 +1340,10 @@ class Britney(object):
 
                 if arch in self.options.fucked_arches:
                     text = text + " (but %s isn't keeping up, so never mind)" % (arch)
+                    excuse.missing_build_on_ood_arch(arch)
                 else:
                     update_candidate = False
-                    excuse.addreason("arch")
-                    excuse.addreason("arch-%s" % arch)
-                    excuse.addreason("build-arch")
-                    excuse.addreason("build-arch-%s" % arch)
+                    excuse.missing_build_on_arch(arch)
 
                 excuse.addhtml(text)
 
@@ -1372,6 +1370,7 @@ class Britney(object):
                     if pkgsv not in oodbins:
                         oodbins[pkgsv] = []
                     oodbins[pkgsv].append(pkg)
+                    excuse.add_old_binary(pkg, pkgsv)
                     continue
                 else:
                     # if the binary is arch all, it doesn't count as
@@ -1405,22 +1404,17 @@ class Britney(object):
 
                 if arch in self.options.fucked_arches:
                     text = text + " (but %s isn't keeping up, so nevermind)" % (arch)
+                    if not uptodatebins:
+                        excuse.missing_build_on_ood_arch(arch)
                 else:
                     if uptodatebins:
-                        excuse.addreason("cruft-arch")
-                        excuse.addreason("cruft-arch-%s" % arch)
                         if self.options.ignore_cruft:
                             text = text + " (but ignoring cruft, so nevermind)"
                         else:
                             update_candidate = False
-                            excuse.addreason("arch")
-                            excuse.addreason("arch-%s" % arch)
                     else:
                         update_candidate = False
-                        excuse.addreason("arch")
-                        excuse.addreason("arch-%s" % arch)
-                        excuse.addreason("build-arch")
-                        excuse.addreason("build-arch-%s" % arch)
+                        excuse.missing_build_on_arch(arch)
 
                 if 'age' in policy_info and policy_info['age']['current-age']:
                     excuse.addhtml(text)
diff --git a/excuse.py b/excuse.py
index e338f06..e1da7c3 100644
--- a/excuse.py
+++ b/excuse.py
@@ -14,8 +14,10 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
+from collections import defaultdict
 import re
 
+
 class Excuse(object):
     """Excuse class
     
@@ -59,6 +61,9 @@ class Excuse(object):
         self.oldbugs = set()
         self.reason = {}
         self.htmlline = []
+        self.missing_builds = set()
+        self.missing_builds_ood_arch = set()
+        self.old_binaries = defaultdict(set)
         self.policy_info = {}
 
     def sortkey(self):
@@ -130,6 +135,18 @@ class Excuse(object):
         """Add a note in HTML"""
         self.htmlline.append(note)
 
+    def missing_build_on_arch(self, arch):
+        """Note that the item is missing a build on a given architecture"""
+        self.missing_builds.add(arch)
+
+    def missing_build_on_ood_arch(self, arch):
+        """Note that the item is missing a build on a given "out of date" architecture"""
+        self.missing_builds.add(arch)
+
+    def add_old_binary(self, binary, from_source_version):
+        """Denote than an old binary ("cruft") is available from a previous source version"""
+        self.old_binaries[from_source_version].add(binary)
+
     def html(self):
         """Render the excuse in HTML"""
         res = "<a id=\"%s\" name=\"%s\">%s</a> (%s to %s)\n<ul>\n" % \
@@ -214,6 +231,13 @@ class Excuse(object):
             excusedata['component'] = self.section.split('/')[0]
         if self.policy_info:
             excusedata['policy_info'] = self.policy_info
+        if self.missing_builds or self.missing_builds_ood_arch:
+            excusedata['missing-builds'] = {
+                'on-architectures': sorted(self.missing_builds),
+                'on-unimportant-architectures': sorted(self.missing_builds_ood_arch),
+            }
+        if self.old_binaries:
+            excusedata['old-binaries'] = {x: sorted(self.old_binaries[x]) for x in self.old_binaries}
         if self.forced:
             excusedata["forced-reason"] = sorted(list(self.reason.keys()))
             excusedata["reason"] = []