diff --git a/src/main.cr b/src/main.cr
index 72522ab..c785e92 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -1,5 +1,6 @@
 require "tap"
 require "option_parser"
+require "colorize"
 
 class Storage
 	def initialize(@root : String = "storage")
@@ -43,10 +44,13 @@ class Storage
 	end
 end
 
+Colorize.on_tty_only!
+
 args = Array(String).new
 show_projects =     [] of String
 show_environments = [] of String
 show_revisions =    [] of String
+show_as_summary = true
 
 OptionParser.parse! do |parser|
 	parser.banner = "usage: tap-aggregator <command> [options]"
@@ -67,6 +71,10 @@ OptionParser.parse! do |parser|
 	parser.on("-r id", "--revision id", "Filter results that do not match this revision id.") do |id|
 		show_revisions << id
 	end
+
+	parser.on("-v", "--verbose", "Prints all data instead of just summaries.") do
+		show_as_summary = false
+	end
 	
 	parser.invalid_option do |flag|
 		STDERR.puts "ERROR: #{flag} is not a valid option."
@@ -128,9 +136,30 @@ when "show"
 			end
 
 			results.each do |revision, timestamp, suite|
-				puts "#{project}, #{environment}, #{revision} (#{timestamp}) [ #{suite.size} tests ]"
-				suite.each do |test|
-					puts "  -> #{test.id} #{test.status} #{test.title}"
+				# FIXME: Only extract most recent revision if show_as_summary.
+				summary = suite.summary
+				number_ok =     summary.tests_passed.size
+				number_failed = summary.tests_failed.size
+
+				# This prints the header, or summary line of a test suite.
+				STDOUT << ("%-15s" % project).colorize(:white).bright
+				STDOUT << " (#{environment}) r=#{revision}, "
+
+				STDOUT << "#{number_ok} ok".colorize(:green).bright
+				STDOUT << ", "
+				STDOUT << "#{number_failed} not ok".colorize(:red).bright
+				STDOUT << "\n"
+
+				if !show_as_summary
+					suite.each do |test|
+						# This prints a single TAP test entry.
+						STDOUT << "  -> "
+						STDOUT << ("%3s" % test.id).colorize(:cyan)
+						STDOUT << ("  %6s  " % test.status.to_s).colorize(:green)
+						STDOUT << test.title.colorize(:white)
+						STDOUT << "\n"
+						STDOUT.flush
+					end
 				end
 			end
 		end