How are you saving for your child's College/Uni. education? (RESP, Penny Jar?)?

We have only one child at the moment and are curious to the best way of saving up for his education. We didn't like the RESP route...what other ways are there?|||A combination of I-Series Savings Bonds and no-load index funds in UGMA.|||Coverdell Savings account with USAA Mutual Funds