Here are some numbers for you:

Market cap as of close today: 904 mill

If the stock price increases 25% per year it will double in 3 years.

Market cap in 3 years: 1.8 bill

Assume P/E ratio of 30

Earnings in 3 years needed to get 1.8 bill market cap with a P/E of 30: 60 mill

Earnings last 4 quarters: 41 mill

Result: Assuming a P/E of 30, earnings must grow 14% per year for 3 years to yield a market cap of 1.8 bill

If you look at the last 10Q, earings for the 6 mths ending Sept 2000 were 24 mill, compared to 6 mill for the same period in 1999, for a percentage increase of 275%.

Please, check my numbers and let me know if I made a mistake. However, assuming my analysis is correct, Barra looks pretty cheap to me.