(setq ibuffer-saved-filter-groups
      '(("default"
	 ("1" (mode . emacs-lisp-mode))
	 ("2" (or (mode . gnus-group-mode)
		     (mode . gnus-summary-mode)
		     (mode . gnus-article-mode)
		     (mode . message-mode)))
	 ("3" (or (mode . dired-mode)
		  (mode . shell-mode)
		  (mode . eshell-mode)))
	 ("4" (or (name . "^\\*scratch\\*$")
		  (name . "^\\*Messages\\*$")))
	 ("5" ((or (name . "^\\*gnus trace\\*$")
		   (name . "^\\*imap log\\*$")
		   (name . "^\\.newsrc-dribble$")))))))
(get-buffer-create ".newsrc-dribble")
(get-buffer-create "*Compile-Log*")
(get-buffer-create "*Completions*")
(get-buffer-create "*Ibuffer*")
(get-buffer-create "*Messages*")
(get-buffer-create "*gnus trace*")
(get-buffer-create "*imap log*")
(get-buffer-create "*scratch*")
(ibuffer)
(ibuffer-switch-to-saved-filter-groups "default")