This is the tool kit I purchased on Nuttz's recomendation.
http://www.xheli.com/nowwi2newfrt.htmlIt has served me very well and you have almost all of the tools you will need in one organized box. I always take mine to the flying field incase I have to make some adjustments. I have replaced the ball link pliers with a better pair as one of the tips broke off of the kits pair of ball link pliers.
The philips head screwdrivers are OK (I really don't like philips fasteners). They work but could be of a higher quality. WHAT DO I EXPECT FOR THE GREAT PRICE!
The kit is a good starting point for your tool collection.
Here is a link to the replacement ball link pliers that I ordered. I know, I know they cost as much or more than the whole tool set. As you work on your heli you will appreciate a good set of ball link pliers and these are a good set. I just modified the foam in my kit above to fit the new pliers.
http://www.ronlund.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=heli&Product_Code=2513041Don't choke on the price!
Have I mentioned I'm heli crazy?