Blender 2.5

 From:  Phil (PHILBO)
2647.9 In reply to 2647.8 
I wouldn't wait. 2.5 won't be released until the fall. The workflow will still be very similar and you can still learn a ton by working with 2.48 or 2.49. Then when 2.5 comes out, you'll be familiar with the Blender way.