I just saw this, but I hope the late answer helps.
I did start with a drop spindle. I ventured into different weight spindles and different types, as well as different fibers, before I purchased a wheel. I have an Ashford Traditional and I love it. I bought it used off E-bay and it came with lots of accessories. I've sold some yarns on my website and some locally.
If you start with a spindle, don't give up. At first it frustrated me, but then I found it very relaxing. Once I got the wheel, not only can I do much more in a shorter time, but it's like therapy for me. I ventured into dyeing as well. It adds a whole other dimension to the design process.