While Barcelona did just sign Neymar, they have 2 very promising young forwards, Cristian Tello and Gerard Deulofeu, who may also be fighting for a regular starting spot in the front 3 soon. One or both might be sent out on loan to gain playing time and experience depending on what happens to David Villa and Alexis Sanchez, but both are ready to play right now. Liverpool would love to get Tello on Loan, Dortmund are interested in either one; basically any European team that could use a forward would love either of them, that's how highly regarded they are. There is also Issac Cuenca who is going back on loan to Ajax for the second year.
First is Cristian Tello, 21 years old. Already has some first team experience. Definitely a winger, can play either side but is better from the left.
Incredibly fast, clinical in front of goal, can beat his defender and be very direct running at goal to either shoot or cross. Somewhat similar to Ronaldo, but not the same type of physical specimen, although he is more explosive than your typical Barcelona player
Next is Gerard Deulofeo, 19 years old, this will be his first year on the first team squad.
A more creative player than Tello, he is primarily a winger also, but can play centrally in a similar way to Messi too. Not quite the athlete that Tello is, but his link up play and passing is more in line with Barcelona's style.
Overall Tello is a bit of a change of pace player; somebody who offers more direct running at goal and can stretch defenses with his speed and width.
Deulofeu is more subtle, but has more ways to contribute with his overall game and ability to play as any of the 3 forward spots.
Both are also key players on the Spanish U21 (Tello) and U20 (Deulofeu) national teams, and will soon find themselves becoming members of the senior side.