[Jlore]

After a while of contemplating I've decided I really want to get a guitar, and put in work to learn it and to learn to play the songs I write on an acoustic(which works out good because my summer is coming up so this will be almost all of what I'm doing for 2 months). I'm not exactly sure which acoustic I want though.
I was thinking between a:
Taylor Baby Taylor Dreadnought Acoustic Guitar
or a Seagull s6

I'm looking to play rock/alternative type stuff, and I'm 15 and a little small(not that small though) so I'm wondering if this will have much of an effect on which guitar I get.
If any one has a suggestion for a guitar that might be better for me to look at, I'd greatly appreciate it. I've heard and looked around online and heard these were good though so I checked them out.
Thanks!