go for the SP B1....Iv had both and the 2020 didnt stay around very long....I also agree with Moresound on the 40 series of AT mics...Iv had a 2020, a 3035, a 4040 and have used a 4050 a time or two and for not much more money...you can get WAY better quality than the 20 or 30 series mics.