Tool Buying Advice - Drills, Miter Saw, etc.?

My father is a tinkerer and do it your self guy for about 30 years. He has never been a "high end tool guy" simply because he couldnt afford them. This never stopped him from doing absolutely beautiful work. The largest projects he has done were pool deck, backyard fence, and dissasembling/upgrading a... show more My father is a tinkerer and do it your self guy for about 30 years. He has never been a "high end tool guy" simply because he couldnt afford them. This never stopped him from doing absolutely beautiful work. The largest projects he has done were pool deck, backyard fence, and dissasembling/upgrading a golf car. He nomally does small jobs such as fan installations, painting/sheetrock work, land scaping, security camera installs, etc. His tool collection consists of lots of crap purchased over the years. He wants to clean out his collection, re-purchase key tools, and organize better.

Lately he has been doing lots of "handy man" around his community. Someone stole a few tools from him and we want to help replace them as a surprise. I have researched the tools but need more specialized perspective.

Id like your advice on good solid midrange tools with a budget of $400-500.

1) Drills:

Cordless Drill - He recently stopped using a Dewalt 998 Cordless Drill because it was too heavy and hurts his wrist. I think he uses a Black and Decker drill now because its lighter. What would be a comparable drill with a more modern design to help balance weight? I was looking at: http://bigskytool.com/DeWalt_DCD710S2R_12V_MAX_38_Drill_Driver_Kit_(Reconditioned)___i2598.aspx

Corded Drill - We would like the same style gun in corded version for extended jobs. With so many spec's out there it's very hard to choose. We were looking at: http://www.amazon.com/DEWALT-DWD115K-8-Inch-Mid-Handle-Keyless/dp/B0014GKA86%3FSubscriptionId%3D02B7Y8VZ2ZRE5MXHPMR2%26tag%3Dbestcoverycom-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB0014GKA86

3) Miter Saw - He has a table but no saw to mount on it. He wants to be able to do 45 degree cuts to install crown molding and such. We were looking at this one on Amazon, but dont know if its a good buy/value: http://www.amazon.com/DEWALT-DW715-15-Amp-12-Inch-Compound/dp/B000ASBCK4/ref=sr_1_7?ie=UTF8&qid=1357263674&sr=8-7&keywords=saw+dewalt I also dont know if 12" is a good size, vs 10"

4) Bonus - Can you recommend a "special" or "favorite" tool that a Handy Man should have? This doesnt have to be expensive.
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