I don't really think the 2 are in the same league as far as professional features (DX vs FX), but if you want to compare basic features the D7000 does offer a lot for the price:
D7000:
D700:
They both share the same 3" 921k dot screen
http://nikonites.com/d5100/2500-d5100-vs-d7000.html
D7000:
- New EXPEED 2 CMOS sensor - 16.2mp 23.6 x 15.6mm (DX)
- ISO 100-6400
- Highest movie resolution of 1920x1080p @ 24fps w/ autofocus
- 39AF points
- 2 SD card slots (SDXC supported)
- 6fps continuous shooting
- 780 grams (1.7lbs)
- Street Price (body only): $1200
D700:
- CMOS 12.1mp 23.9 x 36.0mm (FX)
- ISO 200-6400
- No movie capability
- 51AF points
- 1 CompactFlash
- 5fps continuous shooting
- 995 grams (2.19lbs)
- Street Price (body only): $2700
They both share the same 3" 921k dot screen
http://nikonites.com/d5100/2500-d5100-vs-d7000.html