I had the b15 swap, I think. it was done two years ago, I only knew it was used. I was looking for an similar engine to the original.
Used engines are cheaper, but it died. Jasper's are more expensive but theire rebuilt engines.
Auto Zone and Murray's (Oreilly's and others depending on location) sell rebuilt engines cheaper than Jasper's.
Your swap depends on what will fit the car's mounts and tranny hookup.
To me a similar engine will cuase less stress than a higher horesepower engine. You will not need suspension or brake upgrades.