(adsbygoogle = window.adsbygoogle || []).push({}); If I want to play my backup from wutang, am I able to take it online and just install the latest patch, or do I steer clear of psn entirely?

If you have 3.55, then it doesn't matter what (c)fw you have, you will be able to go online. Playing black ops online with Waninkoko's since day of release.

In short: Yes you will be able to go online, if you have the syscalls patch