Some of my accomplishments (all on Expert):

Guitar Hero II (360)

• 5-starred everything
• Last 5-star was Song_GH2_Jordan Jordan∞, on my first pass

Guitar Hero III (360)

• 5-starred everything except TtFaF⇒ (4-starred)
• Last 5-star was Song_GH3_RainingBlood Raining Blood∞

Guitar Hero On Tour

• 5-starred everything

Rock Band (360)

Guitar

• Gold-starred everything, BEFORE the patch which lowered the gold cutoff
• Last gold was RttH⇒
• Beat Endless Setlist (with friend on Expert Vocals)

Rock Band 2 (360)

Guitar

• 5-starred everything
• Last 5-star was Song_RB2_Visions Visions∞, during Endless Setlist
• Beat Endless Setlist 2 (by myself)