So let me turn James' question around: Is there anything in WebSphere that's worth being tied to IBM for? [Gordon Weakliem's Radio Weblog]
:-). If you don't like WebSphere you have a choice - you're not locked into whatever IBM decides to do - thats the point. Just choose another vendor. Or try JBoss, or some other open source solution. You are not locked into any single vendor with Java. There's a thriving industry of companies providing great Java tools, middleware and solutions as well as a prolific open source movement, all built around openness.
I really like the cross platform nature of Java, but probably more important than that is, built around the Java platform, is a real, invovative industry with real competition among multiple vendors, rather than a stagnant monopoly. Choosing .NET means choosing to tie yourself forever to whatever MS decides gives you. Thats probably almost as scary as tying yourself to the Windows platform.