Oracle Database Express Edition (XE)

Hello:

I was wondering whether Oracle XE would be sufficient for me to use for these two situations. The first, I'm doing a presentation to demonstrate Application Express. The second, I have a client with a small business. They want to store data which they gather from some forms. They also would like to be able to access the data and do some reporting.

Can Oracle XE give a good idea of the features of Application Express? And, is Oracle XE a good solution for a small business who doesn't have much capital at this time to invest in a full-blown version of Oracle?

I could use some advice.
Thank you.