Where To Start
Essential X-Men Volume 4. This features some of Rogue's best stories from her induction to the X-Men to proving she has reformed from her villainous past.
Rogue is stripped of her powers and imprisoned with Wolverine.
X-Men Visionaries: Jim Lee sees Rogue team up with Magneto and also come to terms with her past with Ms. Marvel.
X-Men Supernovas sees Rogue take charge of her own team.
X-Men Legacy Mike Carey Run (X-Men Legacy #208-#260) This is an amazing run that sees Rogue continue to grow as both a character and a leader.