I have a Lasermark Wizard level. It has been great for projects and it did not break the bank. I bought mine about 5 years ago and paid $300.00 for it. Here is a website I just found with one like what I have:
http://www.engineersupply.com/CST-berge ... a_7cES1281This unit is manual leveling, but easy to setup. You can spend the extra money and buy a self leveling, but the manual leveling will probably do you just fine.
Paul L Double
Director of Turfgrass Management
Sugar Valley Golf Club
Bellbrook, Ohio