Flash and Infopath vs Mozilla

Jon Udell at InfoWorld has this interesting article that looks at the pros and cons within Flash, Infopath and Mozilla as platforms for developing Internet Applications. Jon tends to feel Mozilla offers a lot strategically. I tend to agree with Jon. XUL is truly cool and Mozilla Firebird is a great browser, but as long as it does not catch on, I believe Flash is the strongest contender for RIAs