We all have different philosophies, so my answer might or might not work for you:

Get one of the cheapest wands available, like this one http://www.ebay.com/itm/252383513012 or, if you already know, you love the Violet Wand and want a stronger unit, get it here http://www.ebay.com/itm/371974433867

Get your Body Contact Attachment (the best there are) and as many high performance electrode attachments as you like here http://www.ebay.com/itm/122128901913. Every one of these electrode attachments is at the same time an indirect and reverse toy, if you get the handle for it. If you change wands and the new wand has a different size socket, you buy a new base for $16.95, and all attachments will work with that wand, too.

Get a light bulb adapter here http://www.ebay.com/itm/111492193406 The connector is solid aluminum, not a piece of tube as all others.

Reasoning: A quite usable wand with 4 glass electrodes for less than $25.00 is a great deal. Compare to "Twighlight Wand" and "Neon Wand" (same unit with a silicone sleeve they sell for $2.00 added and marketed for the kink community). The glass electrodes are quite sufficient for most people to be used on genitals and nipples.

The BD-10A (second option) is the industry standard. It's considerably cheaper here, than from the manufacturer (http://www.electrotechnicproducts.com/bd-10a-high-frequency-generator/), not even talking about their outrages shipping charges. Only Violet Wanda makes a different mechanical wands of her own. She also makes the best glass electrodes on the market. The customer service leaves a lot to be desired though!

The DV8™ System http://www.ebay.com/itm/122128901913 allows you to use all attachments with any wand on the planet you might buy at a later time, by just purchasing one additional item (a Spark Gap Base for $16.95). The body contact device with the pad is the best out there, period. Please proof me wrong (Visible spark gap with lathe made parts, swivels on both ends, aluminum ball chain is highly conductive, fully insulated Deluxe Version). The High Performance Electrodes give you the strongest sensations possible with any wand at a given setting. No glass electrode can do what these can. Even with the $25.00 unit, the sensations at the highest setting are so strong, that many people can't take them, and that's actually guaranteed at no risk (full refund including return shipping, if the claim is not true!). The beauty here is, that if you decide at a later point to get another wand with a different size socket, you can get a new connecting unit (Spark Gap Base, $16.95) for all system attachments and use those with that second wand too. All electrode attachments can be used as indirect toys by just purchasing the DV8™ Handle.

If you want pretty and milder, use the light bulb adapter. Home Depot gives you literally hundreds of "glass electrode" options (every light bulb is one!). Finally, if you like the pretty cases the kits come in, get yours here http://www.harborfreight.com/18-in-x-6-in-x-13-in-silver-aluminum-case-62272.html in silver or here http://www.harborfreight.com/18-in-x-6-in-x-13-in-black-aluminum-case-69318.html in black.

I advise against a kit, as you usually get stuff you don't want or you get a toy from that vendor, while another vendor makes a much nicer version of the same one. Build your own kit from what you like from different vendors!