Do try to keep an open mind. While looks are great, they are only a small part of the whole picture. Often the minis that you will see are not in ideal condition or are young and gangly, and with love and care they will blossom into beautiful animals. My mare is a perfect example of that. She was ugly
when I started working with her. She'd had the same halter on since she was 2 months old and it had rubbed all of the hair off of her nose and started growing into her skin (thankfully she has very little scarring and no one really notices) her feet were curled up and so long that she just sort of hopped everywhere, her coat was muddy and matted from not shedding right or being brushed, and she was in the middle of a growth spurt so her butt was way higher than the rest of her, she was rather ewe necked looking, and she was full of worms. As a four year old she still isn't ideal looking- her croup is flat, her head is rather big, and she's forever getting scratched up or pulling her mane out- but over all she's a very pretty little girl (though ofcourse, I'm biased xD) Some horses just need some TLC to work its magic on them.
Over all personality is what should win you over. Sour is lucky because she's pretty, so people put up with her horrible temperment. I love her to death but she's not the kind of horse that your average non-idiotic person would go for. Her attitude when you first meet her is just nasty! However, I could tell from the beginning that she was very smart, and its true. She LOVES to learn and that's really the only time that she enjoys being around me. When I'm teaching her to do something. A miniature with a lovable, curious smart personality is going to go much farther and bring much more joy than one that happens to be a fancy color or has perfect conformation.
(I'll just link the pictures if you want to see them to advoid spamming you with more Sour pictures if you don't want to see them xD) UGLY as a two year old ;) and now as a four year old!
Like PunksTanks said, go out and just meet a few minis. You might fall in love, you might not. Heck, you might even do what she did- going to see one horse and falling in love with another! XD Expose yourself to many different animals of different backrounds, and you'll find one that you'll click with.