If you're looking for similarly-priced software, Adobe Elements is worth looking at. Premiere Elements & Photoshop Elements are $99 apiece, or available bundled together for $149
Btw, is your Vegas crashing when editing DSLR footage? A buddy of mine had a huge issue with that, that I solved by converting all his footage into something more palatable for it.
Be sure to download the free trial from the Adobe website before purchasing, just in case it doesn't solve your issue. If your having issues with plain ol' footage, the NLE might not be the problem at all.