Tiny inconsistencies in HUD and Dash appearance

The HUD and Dash don't line up.

Input field is off by a few pixels.
The surround of the dash is also out by a pixel or two.

Video shows it:-

http://www.youtube.com/watch?v=kvT__gsvkas

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.8.0+bzr2201ubuntu0+677 [origin: LP-PPA-unity-team-staging]
Uname: Linux 3.3.0-030300rc5-generic x86_64
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CrashDB: unity
Date: Sun Apr 1 22:57:28 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120203)
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)