As for your specific line in the resume, I would suggest this:
Bachelor of Science in Computing in Software Development
Expected completion date: Spring 2011
Here, you are being a little more clear. If you just say "Present", then you are being honest, but they may have no idea how fast you're working on it, or when you'll be done and can focus full-time on the job they hire you for. Adding your expected completion date will give HR a better idea of where you are in it. Rely on your other experience to carry you over this. If you're still worried, but feel your classes still make a difference, like for a programming jobs involving lots of webservices or something, try this:
Bachelor of Science in Computing in Software Development
Expected completion date: Spring 2011
Relevant Classes:
Computer Networking
Algorithms
Software Testing
This shows your employer that you've taken more than just gen-ed classes and have made some headway into the parts that further your software development prowess, which is what they're looking for in a degree anyway.