A lot of the original changes are obsolete (fade/previews/sidebar); But this style has been modified with the original intention the same.
You can modify this style with your own preferences, too.

Also recommended:
To rearrange the black bar any way you want, including moving items in and out of the "more" dropdown, you can install this addon for Chrome:
https://chrome.google.com/webstore/detail/big-g-black-bar-sorter/oiamgkpplhllmgmjkmpoapkidpgfhmdo

17 Dec 2012: Made safesearch and options button visible again
7 Dec 2012: Fixed small search bar so it now works with *and* without autocomplete (ie when you have as_qdr=all or complete=0 in the URL)
2 Dec 2012: Modified for the new layout where Google replaced the sidebar and removed previews.
21 Mar 2012: Now runs when using https aswell
2 Oct 2011: updated to full width again after google changed something, added more comments
12 Apr 2011: Fixed some things that were broken.

Essentially combined all other Nuck Chorris google userstyles:
http://freestyler.ws/style/26964/google-no-sidebar-ads-fade-wider-layout
http://freestyler.ws/style/33949/google-disable-preview
http://freestyler.ws/style/34005/google-disable-star