05/12/09 tough puzzle from sudoku.com.au

First eliminations : b5=5%cell, c8=2%row, e9=2%row, f6=2%row, b1=2%block, i3=2%col, g4=2%col, g5=6%block, c5=9%block, d4=9%col, d3=5%col, e4=5%col, e1=9%col, h9=9%col, a7=9%col, c6=1%block, i2=9%block, d5=8%col, h5=7%cell, f5=1%cell, e6=7%row, h4=8%row, b4=4%row, f4=3%row, b6=3%row, h6=4%row, e3=1%block, e7=6%col, d6=6%block, f7=7%block, h3=3%cell, h8=5%cell, h1=1%cell, a2=1%block, b7=8%cell, b2=7%cell, b9=6%cell, i8=6%col, g3=7%block, a8=7%row, i9=7%row, i1=8%col, g9=8%col, g7=1%block, g8=3%col, d8=4%cell, d9=1%block, d7=3%col, i7=4%block, a3=4%cell, a9=3%cell, a1=5%cell, c2=8%cell, g1=4%cell, f1=6%cell, c1=3%cell, c9=4%cell, c7=5%col, f3=8%col, f2=4%row, g2=5%block, c3=6%block lead to 81 filled cells.
That's not what is usually called a tough puzzle...