Portal yet and experienced all the weird and funny goodness of Valve's award-winning puzzle shooter (Cake, companion cube, "Stay Alive") then there are now no more excuses. Valve has now made available Portal:First Slice, a 11-level free demo of the game, for all PC games. The demo was released back in January and could only be played on PCs that had an NVIDIA made graphics chip but now this new move let's the tons of ATI based PCs or anyone else check out a fairly generous portion of the full title.
The Steam web site has also gotten a revamp as well. It's a fairly minor update but Valve says the new design was created "to better showcase the growing number of titles and publishers on Steam."