This is a little script I did because I have always wanted to type
:sp a.cpp b.hpp *.tex......
This does it now!
You just have to source this file in your vimrc and that will remap sp and vsp abbreviation to my functions, allowing you to type :vsp *.txt
Let me know if you find some bugs ;-)
I don't know about what came in which version (I run 7.2), but the commands you need for my script are very basic and I think they are in Vim for a long time now: