If you're at all interested in giving fountain pens a chance, I encourage you to acquire a vintage pen, rather than buying something in the $100 range.
If you can afford the much more expensive Pelikans or Mont Blancs, go for it, but for around $30 to $50, many nice, useable vintage pens can be had. Vintage Watermans with their extra-flexy nibs, the classic Parker 51 with its hooded nib, nigh-indestructable Esterbrooks with large assortment of replaceable nibs - the list goes on. Vintage pens (at least ones that are at least 30 years old) tend not to be cartridge/converter pens, resulting in much greater ink capacity. But some care must be taken, as not all vintage pens have not been refurbished to withstand daily use.
My first decent fountain pen was a Namiki Falcon. I got it on closeout for $100. Though it's a solid, dependable writer, I could have gotten two more interesting vintage pens...
There are many online sources for vintage fountain pens, and they also appear quite often on the various online auctions.
Some time after I wrote the above, I became a Sheaffer Snorkel-only collector.