For 2005, Head's Big Easy series is mostly (if not completely) rental. It is their base rental ski, dimensions of 120/71/108. I haven't skied it, but I imagine it would suit a beginner OK. Then again, if the person purchasing them is serious enough to buy skis, they are probably serious enough to ski several times a year and improve beyond beginner status. I would probably recommend a forgiving ski that would grow with them, such as a Cyber C140 (lower intermediate ski) or Cyber i.C 160 (great ski, from intermediate all the way to solid advanced level skier).
I tend to steer most people away from beginner skis, as I find they get outgrown and replaced quickly. A learning skier isn't that far away from intermediate status (espcially after a couple of lessons) and they should be able to handle a forgiving intermediate ski, IMO-it will last much longer and not be outgrown so quickly.