Heineken Cup: All-Irish final hangs in the balance

As Ulster adapt to being favourites for a Heineken Cup semi-final, champions Leinster face the sternest test in the defence of their title and an all-Irish final hangs in the balance.

Coming in as tournament second seeds after the pool stages worked out well for Leinster as they were paired with an under strength and misfiring Cardiff Blues team in the quarter-final.