For newbies, i'll recommend girls i have tried with positive feedback:
Milf: Jaguar / Cupid,
SYT: Ice / Les Affaires Xscorts, Lisa / Gossip, Carrie / TY69
OL/Model: Feline / TY69, Apple / Gossip, Oom / Devil House, Yoyo / Club V
Pornstar/Commando: Milan / 008, Wave / Gossip, Lambor / TY69, QQ / Devil House, Chelsea / Slut Dungeon, Diva / RE Escorts
Hope this list can help you guys. Enjoy and happy bonkings.