Used SBIE everyday since 2009 and it's definitely gotten better. That's how much I trust using sandboxes over depending on anti-virus/spyware programs.

Better than leaving my browser session exposed to the wilds.

Only recently have I even started using SBIE in my host since more and more online stuff's becoming incompatible with XP. Trust me, there is no anti-virus worth a so I just use Defender within my main host. I have one just dedicated to online banking for instance. I also run multip SBIE sessions depending on function. It's how I mitigate against keyloggers (only weakness with my protection scheme). Often enough I recover to a golden set point within XP VM (takes about 10 seconds no joke) once doing so, everything that happened after that set point never existed. Don't even use an anti-virus program within my VM (some anti-ad software like privoxy only). Been doing this for the better part of a decade.

Within XP VM, I run SBIE so in essence, I'm double-sandboxed. I use Virtualbox and run XP as a Sandbox to protect my host OS.

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