Before the BIS deal, writes our resident pugilist, ACT Group Plc was only able to punch Cap Gemini Sogeti SA in the kneecap: after the deal, it will be positioned to punch the French giant in a much more painful part of the anatomy; a merger with Logica Plc would create a group capable of delivering a punch to the heart, and the firm would be one acquisition away from eyeball-to-eyeball confrontation.