There are many markets to choose. Check out the CBOT interest rate products, as well as the Eurex interest rate products. The CBOT markets are doing quite a bit of volume and are quite active. Plus, at $31.25 per tick there is a lot of bang for the buck.
The E-mini Trading in the S&P and Nasdaq are among the most popular in the United States. Although the other markets offer great trading opportunities. Advanced Futures offers trading in the CME, CBOT, EUREX and LIFFE. www.advancedfutures.com