Now that ABI have stopped making sequence navigator does anyone know of an easy to use and cheap/free alignment program? andy 'Why does the moon come up? Or are the stars only pinholes in the curtain of night?' Andrew Davies Lab Manager IRDB Hammersmith Hospital London W12 ONN Tel 0207-594-2178 Fax 0207-594-2184 E-mail Andrew.Davies at ic.ac.uk ---