I've been playing with my computer for some time and have become adept in using Linux. now I am looking for something new to try. Hence why I am here

I have a HP Pavilion DV4-1275MX specs include:
Product Number NB201UA#ABA
Microprocessor 2.10 GHz AMD Turion X2 Ultra ZM-80 Dual-Core Mobile Processor
Microprocessor Cache 2MB L2 Cache
Memory 4096MB
Memory Max 8192MB
Video Graphics ATI Radeon HD 3200 Graphics RS780M
Video Memory Up to 1918MB
Hard Drive 400GB (5400RPM)
Multimedia Drive LightScribe SuperMulti 8X DVD±R/RW with Double Layer Support
Display 14.1” Diagonal WXGA High-Definition HP BrightView Infinity Display (1280 x 800)
Fax/Modem High speed 56k modem
Network Card Integrated 10/100 Ethernet LAN
Wireless Connectivity

* 802.11a/b/g/n WLAN
* Bluetooth

Sound Altec Lansing speakers
Keyboard 101-key compatible
Pointing Device Touch Pad with On/Off button and dedicated vertical scroll Up/Down pad
PC Card Slots 1 ExpressCard/54 Slot (also supports ExpressCard/34)
External Ports

* 5-in-1 integrated Digital Media Reader for Secure Digital cards, MultiMedia cards, Memory Stick, Memory Stick Pro, or xD Picture cards
* 3 Universal Serial Bus (USB) 2.0, 3rd port shared with eSATA
* 2 Headphone out
* 1 microphone-in
* HDMI
* 1 VGA (15-pin)
* eSATA + USB 2.0
* 1 RJ-11 (modem)
* 1 RJ -45 (LAN)
* 1 notebook expansion port 3
* 1 Consumer IR (Remote Receiver)

any suggestions?