Discussione: Problema acquisto vBulletin

Salve Ragazzi,

oggi volevo acquistare il Vbulletin,così sono andato dalla vostra sottosezione (Acquista).
A questo punto ho selezionato il vBulletin da 144€,dopo di chè ho fatto continua e mi sono travato davanti alla seguente lista:

Codice:

€136.00	Branding Free Option
This allows you to remove all vBulletin/Jelsoft branding from this vBulletin Forum installation. This refers to the copyright information in the footer only. The logo may be changed without purchasing the Branding Free license. 

Note: This is in addition to the cost of the license. 
 	€120.00	Professional Installation
If you select this service, our server technicians will install vBulletin directly onto your server. 

Note: Each service ordered covers installation of one license on one server. Installation does not include importation of posts, user information, or styles from other forum software. Once the installation worksheet is filled out correctly, the installation is assigned to one of our Techs and is usually completed within 1-2 business days (not including weekends.) 
 	€48.00	vBulletin Project Tools
Project Tools enhances vBulletin with project management functionality. Selecting this option enables an instance of Project Tools to be integrated with this vBulletin license. This is a one-time fee that provides access to Project Tools software versions (via the members'area) while the linked vBulletin license remains valid and active. Learn more »»

Project Tools requires vBulletin 3.6.6 or newer to be installed!
 	€48.00	vBulletin Blog
vBulletin Blog is a fully featured blogging add-on that enables community members to create their very own online blogs within vBulletin. Selecting this option enables an instance of vBulletin Blog to be integrated with this vBulletin license. This is a one-time fee that provides access to Blog software versions (via the members' area) while the linked vBulletin license remains valid and active. Learn more »»

vBulletin Blog requires vBulletin 3.6.8 or newer to be installed!

Che cosa sono?
Bisogna assolutamente acquistarli?
E se li acquisto il prezzo sara 144€ + 136€ ?

Attendo una vostra risposta.
Grazie per l'aiuto.