Dear all, I surely was not hoping in such a huge response to my original question. I think we all have read excellent contributions, and pleasant posts. Although, as often happens, a unique consensus has not emerged, I have for sure a clearer idea of what I should use in the future, and have learnt a few interesting things. Thank you all for that. It's maybe time to step forward from this thread. Thank you all, once again, ciao, s
-- Sebastiano Pasqualato, PhD Crystallography Unit Department of Experimental Oncology European Institute of Oncology IFOM-IEO Campus via Adamello, 16 20139 - Milano Italy tel +39 02 9437 5167 fax +39 02 9437 5990 please note the change in email address! sebastiano.pasqual...@ieo.eu