EDIT . These are the options you need to enable:
Tools->Options->Text Editor->C#->General->Auto list members
Tools->Options->Text Editor->C#->General->Parameter information
Tools->Options->Text Editor->C#->Intellisense->Show completion list after a character is typed
VS2010 RC - intellisense? ?:
ReSharper Visual Studio 2008? ReSharper ( VS2008) Intellisense , .
, Tools->Options->Text Editor->[language] ( Intellisense node ).
, # Tools->Options->Text Editor->C#->Intellisense - " ". , .