Bought my new bow today, a Fred Bear TRX, its the 35 3/4 ata length (i think there was a shorter one)

I need to buy an arrow rest, but on that note I am unsure if i should pick carbon arrows or aluminum... my recommended aluminum arrow is 2514, would that fit through a whisker biscuit if i bought one? also, what other rests are good, i have never had trouble pulling arrows off of the rest

2. I have never used a peep sight, i used to anchor on the corner of my mouth when I shot fingers, can I do this again with a release? I prefer to keep it simple, and am not overly excited about peep sights, so I may try it this way, and then see where that takes me...

opinions?

edit: what are some good carbon hunting arrows? and would you recommend 100 or 125 grain broadheads? also, NOT to open the can of worms, I am considering switching to expandables? opinions please?