A few of us were discussing Half and Halfs, Black N Tans....those drinks where you layer Guinness on top of Bass, Harp, Smithwicks, Blue Moon etc in the shoutbox yesterday.
This is a great list I came across that has a TON of different ideas and mixtures people have tried...and **** all they each have their own name.
How To Make a Proper Black and Tan - Beer - Chowhound
Try them out, and let me know which ones are good. I'll do the same.